Akashic

county

Colusa County, CA

Contests in this Place (91 available)

President38 · 1876–2024 · 3 mapped

▦ precinct · ▥ counties · ▢ no spatial detail

President margin by year

Place winner margin

1876–2024 · D minus R

Full record · 1876 → 2024

2024

Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab

The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1876–2024.

People and households

Who lives here

Exact values for this place, its state, and the United States.

Race · ethnicity · ancestry

Communities and origins

Mexican60.5%32.3%11.3%

Costa Rican0.7%——

Honduran0.5%—0.3%

Spaniard0.5%0.3%—

Spanish0.4%0.3%—

German7.4%6.8%12.5%

English6.4%6.3%9.5%

Irish5.2%5.9%9.4%

American4.5%2.8%5.3%

Italian2.5%3.4%4.8%

Portuguese1.4%——

Scottish1.3%0.9%1.3%

French1.1%1.3%1.6%

African American†1.2%4.4%9.9%

African0.3%0.3%0.5%

Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.

Age and life stage

Measure	Colusa County	California	United States
Median age	35.9	37.9	39.1
Age 18–24	9.1%	9.1%	9.2%
Age 65 and older	15.5%	15.6%	17.2%

Household economy

Measure	Colusa County	California	United States
Median household income	$75,672	$99,122	$84,427
Poverty rate	11.4%	12.0%	12.5%
Bachelor's degree or higher (25+)	16.4%	36.6%	35.6%

Housing and tenure

Measure	Colusa County	California	United States
Owner-occupied homes	62.2%	55.9%	65.2%
Renter-occupied homes	37.8%	44.1%	34.8%
Median home value	$393,400	$734,700	$332,700
Median gross rent (monthly)	$1,157	$2,036	$1,413
Renters paying 30%+ of income	54.6%	55.3%	51.1%
Vacant housing units	8.5%	7.5%	10.1%

Getting to work

Measure	Colusa County	California	United States
Mean commute	24.2 min	28.7 min	26.4 min
Commutes 60 minutes or more	10.1%	11.1%	8.6%
Drives alone to work	82.1%	65.7%	68.8%
Takes public transit	0.8%	2.9%	3.2%
Works from home	5.3%	17.2%	15.1%

Languages at home

Measure	Colusa County	California	United States
Speaks a non-English language at home	53.1%	44.4%	22.3%
Spanish	51.4%	28.4%	13.6%

Religious landscape

Measure	Colusa County	California	United States
Catholic	39.0%	26.2%	18.6%
Evangelical Protestant	4.7%	9.0%	16.5%
Unclaimed / not counted	52.2%	55.2%	51.5%

Origins and service

Measure	Colusa County	California	United States
Foreign-born residents	27.5%	27.0%	14.1%
Naturalized citizens	11.1%	14.7%	7.4%
Not U.S. citizens	16.5%	12.3%	6.8%
Veterans (18+)	4.5%	4.3%	6.2%
Income inequality (Gini)	0.467	0.489	0.483

American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations · American Community Survey 2024 — housing and tenure (B25003, B25002, B25077, B25064, B25070), commuting (B08013, B08303, B08301), origins and service (B05002, B21001, B19083).

President results by year

2024 turnout 56.7% of 12,676 citizens 18+

HarrisDemocratic34.6%2,431TrumpRepublican62.9%4,414KennedyIndependent1.4%100

R+28.2

Lead: 1,983
Total: 7,021
vs nation: R+26.8
Turnout: 56.7%

BidenDemocratic40.7%3,239TrumpRepublican57.3%4,559JorgensenLibertarian1.0%81

R+16.6

Lead: 1,320
Total: 7,961
vs nation: R+21.0
Turnout: 63.6%

ClintonDemocratic39.7%2,661TrumpRepublican53.0%3,551JohnsonLibertarian3.9%260

R+13.3

Lead: 890
Total: 6,697
vs nation: R+15.4
Turnout: 56.0%

ObamaDemocratic38.3%2,314RomneyRepublican59.6%3,601JohnsonLibertarian0.8%47

R+21.3

Lead: 1,287
Total: 6,045
vs nation: R+25.1
Turnout: —

ObamaDemocratic39.8%2,569McCainRepublican57.9%3,733OtherAll other candidates2.3%146

R+18.1

Lead: 1,164
Total: 6,448
vs nation: R+25.3
Turnout: —

KerryDemocratic31.6%1,947BushRepublican67.2%4,142OtherAll other candidates1.2%77

R+35.6

Lead: 2,195
Total: 6,166
vs nation: R+33.1
Turnout: —

GoreDemocratic31.2%1,745BushRepublican64.9%3,629NaderGreen2.7%151

R+33.7

Lead: 1,884
Total: 5,590
vs nation: R+34.2
Turnout: —

ClintonDemocratic36.6%2,054DoleRepublican54.3%3,047PerotReform7.2%404

R+17.7

Lead: 993
Total: 5,612
vs nation: R+26.2
Turnout: —

Key facts

2024 presidential margin: R+28.2MIT Election Lab
Population: 21,9842024 5-year
Population density: 19 / sq mi2024 5-year · TIGER/Line
Land area: 1,151 sq miTIGER/Line
Median household income: $75,6722024 5-year
White (non-Hispanic): 29.8%2024 5-year
Black: 1.5%2024 5-year
Hispanic / Latino: 62.9%2024 5-year
Peak Democratic margin: D+63.6 in 1912MIT Election Lab
Peak Republican margin: R+35.6 in 2004MIT Election Lab
Most similar: Madera County, CA · twin score 95.4

Participation

Turnout and midterm durability

Participation measured against the same-year citizen voting-age population. Audited cycles count total general-election participants — ballots or participating voters, not presidential candidate votes. Cycles before 2016 predate that series and are derived from the certified presidential returns instead; they are marked everywhere they appear and are excluded from the figures below.

2004–20248 cycles · 5 audited

2024 turnout: 56.7%7,193 participants ÷ 12,676 CVAP
2020→2022 drop-off: +19.0 ptsVolatile
Drop-off vs state: -7.0 ptsPositive means a larger decline than the statewide pattern
Mechanical 2026: 37.7%–42.7%Recent-cycle and two-cycle persistence scenarios; not a forecast

Participation by cycle

Presidential Midterm Derived, pre-2016

47.0%

44.6%

Select a presidential cycle to show it on the map and results ledger above.

Cycle	Participants	CVAP	Turnout	Series	Quality
	7,193	12,676 ± 631	56.7%	Audited	A/A
2022Mid	5,617	12,604 ± 547	44.6%	Audited	A/A
	8,050	12,658 ± 515	63.6%	Audited	A/A
2018Mid	5,815	12,368 ± 434	47.0%	Audited	A/A
	6,851	12,229 ± 425	56.0%	Audited	A/A
	6,045	11,673	51.8%	Derived	—
	6,448	10,985	58.7%	Derived	—
	6,166	10,297 extrapolated	59.9%	Derived	—

Sources and methods

Audited cycles (2016, 2018, 2020, 2022, 2024) count total general-election participants against the same-year CVAP special tabulation, each cell carrying its own numerator and denominator quality grade. Derived cycles (2004, 2008, 2012) come from the certified presidential returns on this page over the ACS 5-year CVAP series, so they measure presidential votes cast rather than ballots — a floor on participation. Where a derived cycle predates the ACS its denominator is extrapolated rather than read, and says so on its own line below. They are shown for the longer arc and are excluded from the drop-off, excess-drop-off, and 2026 scenario figures above.

2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
2012 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
2008 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
2004 (derived): Certified presidential returns · extrapolated CVAP denominator; presidential votes cast — a floor on participation, not a ballot count; 2004 predates the ACS, so the denominator is a linear back-extrapolation from the 2008 and 2012 CVAP values, not a read figure.

Interactive election map

One map. Every available contest.

The map and local result cover Colusa County only. The complete contest result is shown below for comparison.

YearOfficeParty / contestMap detailShowing

Colusa County result

0 precinct units · 0 candidate votes

Akinyemi AgbedeDemocratic0—

Alicia Olivia LappRepublican0—

Amanda MartinNPP0—

Anne KomarovskNPP0—

Antonio VillaraigosaDemocratic0—

Barack D. Obama ShawDemocratic0—

Show all 68 candidates

Betty T. YeeDemocratic0—

Brent MaupinNPP0—

Butch WareGreen0—

Carolina BuhlerDemocratic0—

Chad BiancoRepublican0—

Che AhnRepublican0—

Christine R. SarmientoNPP0—

Daniel MercuriNPP0—

David ZickefooseRepublican0—

Dawit KellelNPP0—

Derek GrastyDemocratic0—

Dirk LangerNPP0—

Don J. GrundmannNPP0—

Duane Terrence Loynes Jr.NPP0—

Elaine CulottiNPP0—

Eric SwalwellDemocratic0—

Erin "Zez" ZezulakDemocratic0—

Frederic C. SchultzNPP0—

Gary Howard KidgellDemocratic0—

Gretha SolórzanoRepublican0—

James Athans Jr.Republican0—

Jibri J PeavyDemocratic0—

Joel E. JacobDemocratic0—

Jon HendersonNPP0—

Joseph CabreraNPP0—

Kalid MekyDemocratic0—

Katie PorterDemocratic0—

Larry AzevedoDemocratic0—

Leo Naranjo IVRepublican0—

Leo Samuel ZackyRepublican0—

Lewis HermsNPP0—

LivingForGod AndCountry DeMottNPP0—

Louis A. De BarraicuaDemocratic0—

Lukasz Adam FilinskiNPP0—

Margaret TroweNPP0—

Matt MahanDemocratic0—

Matthew Chase LevyDemocratic0—

Mauro Alberto OrozcoNPP0—

Max FominNPP0—

Michael J DilgerNPP0—

Mohammad ArifDemocratic0—

Nancy D. YoungNPP0—

Naomi Bar-LevNPP0—

Patricia De Luca BasualdoRepublican0—

Rafael M. HernandezRepublican0—

Raji RabDemocratic0—

Ramsey RobinsonPF0—

Randeep S. DhillonRepublican0—

Reza SafarnejadNPP0—

Sam SandakNPP0—

Satish RaoDemocratic0—

Scott P ShieldsDemocratic0—

Sean ForbesNPP0—

Serge FiankanNPP0—

Sophia Edum-a-SamDemocratic0—

Steve HiltonRepublican0—

Thunder ParleyDemocratic0—

Tim NelsonRepublican0—

Tom SteyerDemocratic0—

Tom WoodardLibertarian0—

Tony K. ThurmondDemocratic0—

Xavier BecerraDemocratic0—

Governor contest result

Loading the complete contest result…

Explore precinct resultsSearch, sort, compare years, or export CSV · 19 precincts

Precinct data

Results by precinct

19 precincts · 7,021 votes

Election

Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.

Colusa County precinct-level presidential election results for 2024

Precinct -106106	408	621	18	1,047	39.0%	59.3%	R+20.3
Precinct -214214	208	466	22	696	29.9%	67.0%	R+37.1
Precinct -213213	247	414	24	685	36.1%	60.4%	R+24.4
Precinct -105105	232	409	15	656	35.4%	62.3%	R+27.0
Precinct -401401	124	455	7	586	21.2%	77.6%	R+56.5
Precinct -324324	259	262	15	536	48.3%	48.9%	R+0.6
Precinct -512512	198	242	9	449	44.1%	53.9%	R+9.8
Precinct -513513	131	269	12	412	31.8%	65.3%	R+33.5
Precinct -323323	161	176	10	347	46.4%	50.7%	R+4.3
Precinct -427427	158	114	11	283	55.8%	40.3%	D+15.5
Precinct -500500	50	215	11	276	18.1%	77.9%	R+59.8
Precinct -301301	44	183	5	232	19.0%	78.9%	R+59.9
Precinct -203203	66	141	5	212	31.1%	66.5%	R+35.4
Precinct -406406	48	96	5	149	32.2%	64.4%	R+32.2
Precinct -408408	32	94	3	129	24.8%	72.9%	R+48.1
Precinct -405405	13	88	2	103	12.6%	85.4%	R+72.8
Precinct -202202	18	83	0	101	17.8%	82.2%	R+64.4
Precinct -407407	16	44	1	61	26.2%	72.1%	R+45.9
Precinct -505505	18	42	1	61	29.5%	68.9%	R+39.3

presidential history

Party record book

Colusa County, CA · the strongest Democratic and Republican presidential performances recorded here, measured three ways.

1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark

Largest share of the presidential candidate vote cast here.

Democratic

Franklin D. Roosevelt1936

70.4%

2,965 votes · D+42.2

Runner-up · Franklin D. Roosevelt, 1932 · 69.1%

Republican

George W. Bush2004

67.2%

4,142 votes · R+35.6

Runner-up · Ronald Reagan, 1984 · 65.3%

Most votes

Largest number of votes cast for the party’s presidential nominee here.

Democratic

Joe Biden2020

3,239votes

40.7% of the vote · R+16.6

Runner-up · Franklin D. Roosevelt, 1936 · 2,965 votes

Republican

Donald Trump2020

4,559votes

57.3% of the vote · R+16.6

Runner-up · Donald Trump, 2024 · 4,414 votes

Best relative to the U.S.

This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.

Democratic

Woodrow Wilson1912

+44.0pts D vs U.S.

Place D+63.6 · U.S. D+19.5

Runner-up · William J. Bryan, 1896 · +41.6 pts

Republican

George W. Bush2000

+34.2pts R vs U.S.

Place R+33.7 · U.S. D+0.5

Runner-up · George W. Bush, 2004 · +33.1 pts

current representation

Current officeholders

DAdam SchiffU.S. Senate-0.35

DAlex PadillaU.S. Senate-0.44

DMike ThompsonU.S. House · CA-04-0.39

RMegan DahleState Senate · 1

DCecilia Aguiar-CurryState House · 4

Seats representing Colusa County, CA. A county elects none of these itself — they are the members for the 1 congressional, 1 state senate and 1 state house districts it falls inside, so parts of the county are represented by different members.

U.S. House elections · 3 House

Senate and governor results are in the Office selector at the top of this page.

U.S. House

Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.

Source · Akashic actual-race rollup from certified returns, House; geographic aggregation.
Year	Vote lead	Democratic	Republican	Total
2024	R	31.6%2,095	68.4%4,528	6,623
2020	R	43.6%3,348	56.4%4,328	7,676
2018	R	42.4%2,411	57.6%3,277	5,688

voter registration

Registered voters

By party of registration, over time

Party registration · 2024R+9.7

Presidential vote · 2024R+28.2

Registration leans Republican; the presidential vote runs 19 points more Republican than the rolls.

10,515 registered voters · 2024 · up from 10,139 in 2022

Democratic31.0%Republican40.7%Unaffiliated21.8%Other6.5%

domestic migration

Who moves in and out

Net migration over time, and who arrivals are — where they came from and what those places vote

−187 net domestic migration · 2025

20112025

Net −1,623 over 2011–2025 · gain loss

Arrivals reported $47,215 in average income, against $73,575 for residents who stayed — 36% lower. (IRS SOI, 2022–23)

The places arrivals came from lean D+7.2 on average — 35 points more Democratic-leaning than Colusa County, CA itself (R+28.2).

Where arrivals came from lean of each source

Yolo County, CA56D+36.2
Sacramento County, CA39D+19.7
Sutter County, CA25R+31.4
Butte County, CA22R+3.1
Glenn County, CA22R+34.9

Where departures went households, 2022–23

Yolo County, CA50
Sacramento County, CA45
Sutter County, CA38
Glenn County, CA33
Butte County, CA32

Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.

Domestic migration in Colusa County, CA in Colusa County, CA: net domestic migration by year
Year	Net domestic migration
2011	−250
2012	−167
2013	−210
2014	−239
2015	−69
2016	+115
2017	−40
2018	−237
2019	+10
2021	−32
2022	−138
2023	−10
2024	−169
2025	−187

Colusa's economy revolves around rice, almonds, and cattle ranching, and its rural agricultural identity consistently produces some of the widest Republican presidential margins among California's Central Valley counties.

Across the recorded series it reached a Democratic high of 63.6 points in 1912 and a Republican high of 35.6 points in 2004. Between 2020 and 2024 the county moved 11.7 points toward the Republican candidate; the 2024 margin was 28.2 points.

A population of 21,984, a 30% non-Hispanic-white share, and a median household income of $75,672 describe the county. The county's voting pattern over the last decade is most similar to that of Madera County and Glenn County.

Political twins — counties

The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Madera County

California

95.4twin score

% Latino% Whiteelasticity≠ population scale

Glenn County

California

94.0twin score

2000–2004 trajectory% Catholicmedian age≠ % Latino

Kings County

California

93.8twin score

% Latino% White% Catholic≠ population scale

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Browse places by community — income, education, race & ethnicity, language — all community cuts →

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

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Cities & towns in Colusa County

California at the ballot boxAll elections →

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Frequently asked questions

How did Colusa County, California vote in 2024?

In 2024, Colusa County, California voted Republican by 28.2 points (R+28.2), carried by the Republican candidate. Out of 7,021 votes cast, 2,431 went Democratic and 4,414 went Republican.

When did Colusa County, California last vote Democratic?

The most recent presidential election in which Colusa County, California voted Democratic was 1964.

How many people live in Colusa County, California?

Colusa County, California has a population of 21,984 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Colusa County, California?

Median household income in Colusa County, California is $75,672 — below the national median of $80,734. The California state median is $99,122.

What is the political history of Colusa County, California?

Akashic tracks 38 presidential elections in Colusa County, California from 1876 to 2024. Of those, 17 went Democratic and 21 went Republican.

Akashic

county

Colusa County, CA

Contests in this Place (91 available)

President38 · 1876–2024 · 3 mapped

▦ precinct · ▥ counties · ▢ no spatial detail

President margin by year

Place winner margin

1876–2024 · D minus R

Full record · 1876 → 2024

2024

Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab

The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1876–2024.

People and households

Who lives here

Exact values for this place, its state, and the United States.

Race · ethnicity · ancestry

Communities and origins

Mexican60.5%32.3%11.3%

Costa Rican0.7%——

Honduran0.5%—0.3%

Spaniard0.5%0.3%—

Spanish0.4%0.3%—

German7.4%6.8%12.5%

English6.4%6.3%9.5%

Irish5.2%5.9%9.4%

American4.5%2.8%5.3%

Italian2.5%3.4%4.8%

Portuguese1.4%——

Scottish1.3%0.9%1.3%

French1.1%1.3%1.6%

African American†1.2%4.4%9.9%

African0.3%0.3%0.5%

Age and life stage

Measure	Colusa County	California	United States
Median age	35.9	37.9	39.1
Age 18–24	9.1%	9.1%	9.2%
Age 65 and older	15.5%	15.6%	17.2%

Household economy

Measure	Colusa County	California	United States
Median household income	$75,672	$99,122	$84,427
Poverty rate	11.4%	12.0%	12.5%
Bachelor's degree or higher (25+)	16.4%	36.6%	35.6%

Housing and tenure

Measure	Colusa County	California	United States
Owner-occupied homes	62.2%	55.9%	65.2%
Renter-occupied homes	37.8%	44.1%	34.8%
Median home value	$393,400	$734,700	$332,700
Median gross rent (monthly)	$1,157	$2,036	$1,413
Renters paying 30%+ of income	54.6%	55.3%	51.1%
Vacant housing units	8.5%	7.5%	10.1%

Getting to work

Measure	Colusa County	California	United States
Mean commute	24.2 min	28.7 min	26.4 min
Commutes 60 minutes or more	10.1%	11.1%	8.6%
Drives alone to work	82.1%	65.7%	68.8%
Takes public transit	0.8%	2.9%	3.2%
Works from home	5.3%	17.2%	15.1%

Languages at home

Measure	Colusa County	California	United States
Speaks a non-English language at home	53.1%	44.4%	22.3%
Spanish	51.4%	28.4%	13.6%

Religious landscape

Measure	Colusa County	California	United States
Catholic	39.0%	26.2%	18.6%
Evangelical Protestant	4.7%	9.0%	16.5%
Unclaimed / not counted	52.2%	55.2%	51.5%

Origins and service

Measure	Colusa County	California	United States
Foreign-born residents	27.5%	27.0%	14.1%
Naturalized citizens	11.1%	14.7%	7.4%
Not U.S. citizens	16.5%	12.3%	6.8%
Veterans (18+)	4.5%	4.3%	6.2%
Income inequality (Gini)	0.467	0.489	0.483

President results by year

2024 turnout 56.7% of 12,676 citizens 18+

HarrisDemocratic34.6%2,431TrumpRepublican62.9%4,414KennedyIndependent1.4%100

R+28.2

Lead: 1,983
Total: 7,021
vs nation: R+26.8
Turnout: 56.7%

BidenDemocratic40.7%3,239TrumpRepublican57.3%4,559JorgensenLibertarian1.0%81

R+16.6

Lead: 1,320
Total: 7,961
vs nation: R+21.0
Turnout: 63.6%

ClintonDemocratic39.7%2,661TrumpRepublican53.0%3,551JohnsonLibertarian3.9%260

R+13.3

Lead: 890
Total: 6,697
vs nation: R+15.4
Turnout: 56.0%

ObamaDemocratic38.3%2,314RomneyRepublican59.6%3,601JohnsonLibertarian0.8%47

R+21.3

Lead: 1,287
Total: 6,045
vs nation: R+25.1
Turnout: —

ObamaDemocratic39.8%2,569McCainRepublican57.9%3,733OtherAll other candidates2.3%146

R+18.1

Lead: 1,164
Total: 6,448
vs nation: R+25.3
Turnout: —

KerryDemocratic31.6%1,947BushRepublican67.2%4,142OtherAll other candidates1.2%77

R+35.6

Lead: 2,195
Total: 6,166
vs nation: R+33.1
Turnout: —

GoreDemocratic31.2%1,745BushRepublican64.9%3,629NaderGreen2.7%151

R+33.7

Lead: 1,884
Total: 5,590
vs nation: R+34.2
Turnout: —

ClintonDemocratic36.6%2,054DoleRepublican54.3%3,047PerotReform7.2%404

R+17.7

Lead: 993
Total: 5,612
vs nation: R+26.2
Turnout: —

Key facts

2024 presidential margin: R+28.2MIT Election Lab
Population: 21,9842024 5-year
Population density: 19 / sq mi2024 5-year · TIGER/Line
Land area: 1,151 sq miTIGER/Line
Median household income: $75,6722024 5-year
White (non-Hispanic): 29.8%2024 5-year
Black: 1.5%2024 5-year
Hispanic / Latino: 62.9%2024 5-year
Peak Democratic margin: D+63.6 in 1912MIT Election Lab
Peak Republican margin: R+35.6 in 2004MIT Election Lab
Most similar: Madera County, CA · twin score 95.4

Participation

Turnout and midterm durability

2004–20248 cycles · 5 audited

2024 turnout: 56.7%7,193 participants ÷ 12,676 CVAP
2020→2022 drop-off: +19.0 ptsVolatile
Drop-off vs state: -7.0 ptsPositive means a larger decline than the statewide pattern
Mechanical 2026: 37.7%–42.7%Recent-cycle and two-cycle persistence scenarios; not a forecast

Participation by cycle

Presidential Midterm Derived, pre-2016

47.0%

44.6%

Select a presidential cycle to show it on the map and results ledger above.

Cycle	Participants	CVAP	Turnout	Series	Quality
	7,193	12,676 ± 631	56.7%	Audited	A/A
2022Mid	5,617	12,604 ± 547	44.6%	Audited	A/A
	8,050	12,658 ± 515	63.6%	Audited	A/A
2018Mid	5,815	12,368 ± 434	47.0%	Audited	A/A
	6,851	12,229 ± 425	56.0%	Audited	A/A
	6,045	11,673	51.8%	Derived	—
	6,448	10,985	58.7%	Derived	—
	6,166	10,297 extrapolated	59.9%	Derived	—

Sources and methods

2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
2012 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
2008 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
2004 (derived): Certified presidential returns · extrapolated CVAP denominator; presidential votes cast — a floor on participation, not a ballot count; 2004 predates the ACS, so the denominator is a linear back-extrapolation from the 2008 and 2012 CVAP values, not a read figure.

Interactive election map

One map. Every available contest.

The map and local result cover Colusa County only. The complete contest result is shown below for comparison.

YearOfficeParty / contestMap detailShowing

Colusa County result

0 precinct units · 0 candidate votes

Akinyemi AgbedeDemocratic0—

Alicia Olivia LappRepublican0—

Amanda MartinNPP0—

Anne KomarovskNPP0—

Antonio VillaraigosaDemocratic0—

Barack D. Obama ShawDemocratic0—

Show all 68 candidates

Betty T. YeeDemocratic0—

Brent MaupinNPP0—

Butch WareGreen0—

Carolina BuhlerDemocratic0—

Chad BiancoRepublican0—

Che AhnRepublican0—

Christine R. SarmientoNPP0—

Daniel MercuriNPP0—

David ZickefooseRepublican0—

Dawit KellelNPP0—

Derek GrastyDemocratic0—

Dirk LangerNPP0—

Don J. GrundmannNPP0—

Duane Terrence Loynes Jr.NPP0—

Elaine CulottiNPP0—

Eric SwalwellDemocratic0—

Erin "Zez" ZezulakDemocratic0—

Frederic C. SchultzNPP0—

Gary Howard KidgellDemocratic0—

Gretha SolórzanoRepublican0—

James Athans Jr.Republican0—

Jibri J PeavyDemocratic0—

Joel E. JacobDemocratic0—

Jon HendersonNPP0—

Joseph CabreraNPP0—

Kalid MekyDemocratic0—

Katie PorterDemocratic0—

Larry AzevedoDemocratic0—

Leo Naranjo IVRepublican0—

Leo Samuel ZackyRepublican0—

Lewis HermsNPP0—

LivingForGod AndCountry DeMottNPP0—

Louis A. De BarraicuaDemocratic0—

Lukasz Adam FilinskiNPP0—

Margaret TroweNPP0—

Matt MahanDemocratic0—

Matthew Chase LevyDemocratic0—

Mauro Alberto OrozcoNPP0—

Max FominNPP0—

Michael J DilgerNPP0—

Mohammad ArifDemocratic0—

Nancy D. YoungNPP0—

Naomi Bar-LevNPP0—

Patricia De Luca BasualdoRepublican0—

Rafael M. HernandezRepublican0—

Raji RabDemocratic0—

Ramsey RobinsonPF0—

Randeep S. DhillonRepublican0—

Reza SafarnejadNPP0—

Sam SandakNPP0—

Satish RaoDemocratic0—

Scott P ShieldsDemocratic0—

Sean ForbesNPP0—

Serge FiankanNPP0—

Sophia Edum-a-SamDemocratic0—

Steve HiltonRepublican0—

Thunder ParleyDemocratic0—

Tim NelsonRepublican0—

Tom SteyerDemocratic0—

Tom WoodardLibertarian0—

Tony K. ThurmondDemocratic0—

Xavier BecerraDemocratic0—

Governor contest result

Loading the complete contest result…

Explore precinct resultsSearch, sort, compare years, or export CSV · 19 precincts

Precinct data

Results by precinct

19 precincts · 7,021 votes

Election

Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.

Colusa County precinct-level presidential election results for 2024

Precinct -106106	408	621	18	1,047	39.0%	59.3%	R+20.3
Precinct -214214	208	466	22	696	29.9%	67.0%	R+37.1
Precinct -213213	247	414	24	685	36.1%	60.4%	R+24.4
Precinct -105105	232	409	15	656	35.4%	62.3%	R+27.0
Precinct -401401	124	455	7	586	21.2%	77.6%	R+56.5
Precinct -324324	259	262	15	536	48.3%	48.9%	R+0.6
Precinct -512512	198	242	9	449	44.1%	53.9%	R+9.8
Precinct -513513	131	269	12	412	31.8%	65.3%	R+33.5
Precinct -323323	161	176	10	347	46.4%	50.7%	R+4.3
Precinct -427427	158	114	11	283	55.8%	40.3%	D+15.5
Precinct -500500	50	215	11	276	18.1%	77.9%	R+59.8
Precinct -301301	44	183	5	232	19.0%	78.9%	R+59.9
Precinct -203203	66	141	5	212	31.1%	66.5%	R+35.4
Precinct -406406	48	96	5	149	32.2%	64.4%	R+32.2
Precinct -408408	32	94	3	129	24.8%	72.9%	R+48.1
Precinct -405405	13	88	2	103	12.6%	85.4%	R+72.8
Precinct -202202	18	83	0	101	17.8%	82.2%	R+64.4
Precinct -407407	16	44	1	61	26.2%	72.1%	R+45.9
Precinct -505505	18	42	1	61	29.5%	68.9%	R+39.3

presidential history

Party record book

Colusa County, CA · the strongest Democratic and Republican presidential performances recorded here, measured three ways.

1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark

Largest share of the presidential candidate vote cast here.

Democratic

Franklin D. Roosevelt1936

70.4%

2,965 votes · D+42.2

Runner-up · Franklin D. Roosevelt, 1932 · 69.1%

Republican

George W. Bush2004

67.2%

4,142 votes · R+35.6

Runner-up · Ronald Reagan, 1984 · 65.3%

Most votes

Largest number of votes cast for the party’s presidential nominee here.

Democratic

Joe Biden2020

3,239votes

40.7% of the vote · R+16.6

Runner-up · Franklin D. Roosevelt, 1936 · 2,965 votes

Republican

Donald Trump2020

4,559votes

57.3% of the vote · R+16.6

Runner-up · Donald Trump, 2024 · 4,414 votes

Best relative to the U.S.

This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.

Democratic

Woodrow Wilson1912

+44.0pts D vs U.S.

Place D+63.6 · U.S. D+19.5

Runner-up · William J. Bryan, 1896 · +41.6 pts

Republican

George W. Bush2000

+34.2pts R vs U.S.

Place R+33.7 · U.S. D+0.5

Runner-up · George W. Bush, 2004 · +33.1 pts

current representation

Current officeholders

DAdam SchiffU.S. Senate-0.35

DAlex PadillaU.S. Senate-0.44

DMike ThompsonU.S. House · CA-04-0.39

RMegan DahleState Senate · 1

DCecilia Aguiar-CurryState House · 4

U.S. House elections · 3 House

Senate and governor results are in the Office selector at the top of this page.

U.S. House

Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.

Source · Akashic actual-race rollup from certified returns, House; geographic aggregation.
Year	Vote lead	Democratic	Republican	Total
2024	R	31.6%2,095	68.4%4,528	6,623
2020	R	43.6%3,348	56.4%4,328	7,676
2018	R	42.4%2,411	57.6%3,277	5,688

voter registration

Registered voters

By party of registration, over time

Party registration · 2024R+9.7

Presidential vote · 2024R+28.2

Registration leans Republican; the presidential vote runs 19 points more Republican than the rolls.

10,515 registered voters · 2024 · up from 10,139 in 2022

Democratic31.0%Republican40.7%Unaffiliated21.8%Other6.5%

domestic migration

Who moves in and out

Net migration over time, and who arrivals are — where they came from and what those places vote

−187 net domestic migration · 2025

20112025

Net −1,623 over 2011–2025 · gain loss

Arrivals reported $47,215 in average income, against $73,575 for residents who stayed — 36% lower. (IRS SOI, 2022–23)

The places arrivals came from lean D+7.2 on average — 35 points more Democratic-leaning than Colusa County, CA itself (R+28.2).

Where arrivals came from lean of each source

Yolo County, CA56D+36.2
Sacramento County, CA39D+19.7
Sutter County, CA25R+31.4
Butte County, CA22R+3.1
Glenn County, CA22R+34.9

Where departures went households, 2022–23

Yolo County, CA50
Sacramento County, CA45
Sutter County, CA38
Glenn County, CA33
Butte County, CA32

Domestic migration in Colusa County, CA in Colusa County, CA: net domestic migration by year
Year	Net domestic migration
2011	−250
2012	−167
2013	−210
2014	−239
2015	−69
2016	+115
2017	−40
2018	−237
2019	+10
2021	−32
2022	−138
2023	−10
2024	−169
2025	−187

Political twins — counties

The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Madera County

California

95.4twin score

% Latino% Whiteelasticity≠ population scale

Glenn County

California

94.0twin score

2000–2004 trajectory% Catholicmedian age≠ % Latino

Kings County

California

93.8twin score

% Latino% White% Catholic≠ population scale

Browse places by community — income, education, race & ethnicity, language — all community cuts →

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

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Cities & towns in Colusa County

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Frequently asked questions

How did Colusa County, California vote in 2024?

In 2024, Colusa County, California voted Republican by 28.2 points (R+28.2), carried by the Republican candidate. Out of 7,021 votes cast, 2,431 went Democratic and 4,414 went Republican.

When did Colusa County, California last vote Democratic?

The most recent presidential election in which Colusa County, California voted Democratic was 1964.

How many people live in Colusa County, California?

Colusa County, California has a population of 21,984 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Colusa County, California?

Median household income in Colusa County, California is $75,672 — below the national median of $80,734. The California state median is $99,122.

What is the political history of Colusa County, California?

Akashic tracks 38 presidential elections in Colusa County, California from 1876 to 2024. Of those, 17 went Democratic and 21 went Republican.

President margin by year

President results by year

Key facts

Colusa County result

Governor contest result

Results by precinct

Party record book

Highest vote share

Most votes

Best relative to the U.S.

Current officeholders

U.S. House

Registered voters

Who moves in and out

Where arrivals came from lean of each source

Where departures went households, 2022–23

Compare two places, side by side

Frequently asked questions

President margin by year

President results by year

Key facts

Colusa County result

Governor contest result

Results by precinct

Party record book

Highest vote share

Most votes

Best relative to the U.S.

Current officeholders

U.S. House

Registered voters

Who moves in and out

Where arrivals came from lean of each source

Where departures went households, 2022–23

Compare two places, side by side

Frequently asked questions