state senate districtIdaho 12th State Senate District
presidential margin
2004–2024 · Democratic minus Republican
2004R+48.5
2008R+32.7
2012R+34.6
2016R+37.5
2020R+33.8
2024R+40.1
net swing · 2004→2024D+8.4R+48.5 → R+40.1
vs. U.S. · 2024R+38.6R+40.1 vs R+1.5
presidential returns
2024 turnout 52.7% of 43,092 citizens 18+
Year
Democrat
Republican
Others
Total
CVAP
Turnout
2024
6,518
15,618
563
22,699
43,092
52.7%
2020
6,623
13,713
648
20,984
37,722†
55.6%
2016
4,106
10,260
2,037
16,403
33,032†
49.7%
2012
4,182
8,883
511
13,576
29,986†
45.3%
2008
4,696
9,405
316
14,417
27,664†
52.1%
2004
3,091
9,137
240
12,468
25,342†
49.2%
† Citizen voting-age population estimated for prior cycles from the constituent-county ACS trend anchored to the current figure. Source: ACS 5-year, table B05003.
——
D+60R+60
20042024
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupID SD 12IdahoUnited States
English17.2%19.3%9.5%
German16.1%16.5%12.5%
Irish8.9%9.5%9.4%
American5.4%5.3%5.3%
Scottish3.1%3.2%1.3%
Italian2.6%2.9%4.8%
Norwegian2.5%2.4%—
French2.4%—1.6%
Mexican22.4%11.0%11.3%
Guatemalan0.5%0.2%0.5%
Salvadoran0.5%—0.7%
Spaniard0.5%0.4%—
Puerto Rican0.4%0.3%1.8%
Colombian0.4%0.2%0.4%
Spanish0.3%0.4%—
Peruvian0.2%0.2%—
Aztec2.9%——
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
ID SD 12
Idaho
United States
Median age
34.5
37.6
39.1
Age 18–24
9.3%
9.8%
9.2%
Age 65 and older
14.5%
17.1%
17.2%
Household economy
Measure
ID SD 12
Idaho
United States
Median household income
$75,570
$77,800
$84,427
Poverty rate
11.1%
10.7%
12.5%
Bachelor's degree or higher (25+)
23.2%
31.8%
35.6%
Languages at home
Measure
ID SD 12
Idaho
United States
Speaks a non-English language at home
19.2%
11.0%
22.3%
Spanish
16.2%
8.1%
13.6%
Russian, Polish, or other Slavic
1.0%
0.5%
0.7%
Religious landscape
Measure
ID SD 12
Idaho
United States
Catholic
—
11.1%
18.6%
Evangelical Protestant
—
12.4%
16.5%
Unclaimed / not counted
—
50.2%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Idaho 12th State Senate District
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
−48.5%
2008
−32.7%
2012
−34.6%
2016
−37.5%
2020
−33.8%
2024
−40.1%
DemocraticRepublican
6 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year. Third-party votes in 2012 are allocated from certified county totals by this place's share of each county's two-party vote — that cycle's precinct source records two-party splits. † 2004 sub-county results are estimated: the source's block-level detail for this cycle was unreliable — either county/municipality-level consolidated reporting (COVID-era) or a precinct-to-block allocation that misplaced votes — so the figures are allocated from the constituent county totals in proportion to the place and scaled to certified totals.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
28.7%Harris6,518
68.8%Trump15,618
2.5%
R+40.1
R+6.3
R+38.6
22,699
R
31.6%Biden6,623
65.3%Trump13,713
3.1%
R+33.8
D+3.7
R+38.2
20,984
R
25.0%Clinton4,106
62.5%Trump10,260
12.4%
R+37.5
R+2.9
R+39.6
16,403
R
30.8%Obama4,182
65.4%Romney8,883
3.8%
R+34.6
R+2.0
R+38.5
13,576
R
32.6%Obama4,696
65.2%McCain9,405
2.2%
R+32.7
D+15.8
R+39.9
14,417
R
24.8%Kerry3,091
73.3%Bush9,137
1.9%
R+48.5
—
R+46.0
12,468
current representation
Current officeholders
RBen AdamsState Senate · 12
State legislative officeholder from OpenStates nightly current-legislator data.
In 2024 it voted Republican by R+40.1, against R+32.7 in 2008. About 8,320 residents lived here, with White alone at 72.9% in the 2024 ACS 5-year.
Across the recorded series it reached a Republican high of 48.5 points in 2004. Between 2020 and 2024 the district moved 6.3 points toward the Republican candidate; the 2024 margin was 40.1 points.
A population of 53,363, a 66% non-Hispanic-white share, and a median household income of $75,570 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 13 and State Senate District 24.
Akashic
Political twins — state-senate districts
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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.
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.
Idaho 12th State Senate District. Akashic. https://akashic.app/sld-upper/16012/. Accessed May 20, 2026. License: CC BY 4.0.
How did Idaho 12th State Senate District vote in 2024?
In 2024, Idaho 12th State Senate District voted Republican by 40.1 points (R+40.1), carried by the Republican candidate. Out of 22,699 votes cast, 6,518 went Democratic and 15,618 went Republican.
How many people live in Idaho 12th State Senate District?
Idaho 12th State Senate District has a population of 53,363 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Idaho 12th State Senate District?
Median household income in Idaho 12th State Senate District is $75,570 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Idaho 12th State Senate District?
Akashic tracks 6 presidential elections in Idaho 12th State Senate District from 2004 to 2024. Of those, 0 went Democratic and 6 went Republican.
