HarrisDemocratic18.4%4,063TrumpRepublican79.1%17,456OtherAll other candidates2.4%538
R+60.7- Lead
- 13,393
- Total
- 22,057
- vs nation
- R+59.2
modeled Census-place estimatemodeled estimate
Akashicstate senate district
Idaho 30th State Senate District
Contests in this Place (40 available)
President34 · 1892–2024 · 3 mapped
▦ precinct · ▥ counties · ▢ no spatial detail
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic20.0%4,312TrumpRepublican76.7%16,497OtherAll other candidates3.3%700
R+56.7- Lead
- 12,185
- Total
- 21,509
- vs nation
- R+61.1
modeled Census-place estimatemodeled estimate
ClintonDemocratic17.3%3,084TrumpRepublican66.2%11,821OtherAll other candidates16.5%2,950
R+48.9- Lead
- 8,737
- Total
- 17,855
- vs nation
- R+51.0
modeled Census-place estimatemodeled estimate
ObamaDemocratic21.5%4,080RomneyRepublican76.1%14,441OtherAll other candidates2.3%443
R+54.6- Lead
- 10,361
- Total
- 18,964
- vs nation
- R+58.5
modeled Census-place estimatemodeled estimate
ObamaDemocratic25.5%4,742McCainRepublican71.6%13,286OtherAll other candidates2.9%538
R+46.0- Lead
- 8,544
- Total
- 18,566
- vs nation
- R+53.3
modeled Census-place estimatemodeled estimate
KerryDemocratic21.8%3,926BushRepublican76.9%13,811OtherAll other candidates1.3%234
R+55.0- Lead
- 9,885
- Total
- 17,971
- vs nation
- R+52.5
modeled Census-place estimatemodeled estimate
GoreDemocratic23.0%3,664BushRepublican73.4%11,682OtherAll other candidates3.6%579
R+50.3- Lead
- 8,018
- Total
- 15,925
- vs nation
- R+50.9
modeled Census-place estimatemodeled estimate
ClintonDemocratic29.4%4,811DoleRepublican55.8%9,132OtherAll other candidates14.8%2,429
R+26.4- Lead
- 4,321
- Total
- 16,372
- vs nation
- R+34.9
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+60.7MIT Election Lab
- Population
- 50,5662024 5-year
- Population density
- 12 / sq mi2024 5-year · TIGER/Line
- Land area
- 4,330 sq miTIGER/Line
- Median household income
- $76,1672024 5-year
- White (non-Hispanic)
- 73.7%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 16.7%2024 5-year
- Peak Democratic margin
- D+72.8 in 1896MIT Election Lab
- Peak Republican margin
- R+60.7 in 2024MIT Election Lab
- Most similar
- State Senate District 28, ID · twin score 96.8
presidential history
Party record book
Idaho 30th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1896
86.4%
1,232 votes · D+72.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 62.4%
Republican
Donald Trump2024
79.1%
17,456 votes · R+60.7 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 78.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
6,079votes
50.3% of the vote · D+0.5 · modeled estimate
Runner-up · John F. Kennedy, 1960 · 5,844 votes
Republican
Donald Trump2024
17,456votes
79.1% of the vote · R+60.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 16,497 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
William J. Bryan1896
+78.9pts D vs U.S.
Place D+72.8 · U.S. R+6.1 · modeled estimate
Runner-up · William J. Bryan, 1900 · +15.4 pts
Republican
Donald Trump2020
+61.1pts R vs U.S.
Place R+56.7 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +59.2 pts
current representation
Current officeholders
RJulie VanOrdenState Senate · 30
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 16.1%3,385 | 83.9%17,646 | 21,031 |
| 2020 | R | 19.7%2,582 | 80.3%10,550 | 13,132 |
With a 2024 presidential margin exceeding 60 points, this district ranks among the most one-sided in the state, reflecting a rural electorate where statewide Republican candidates consistently post their strongest showings.
Across the recorded series it reached a Democratic high of 72.8 points in 1896 and a Republican high of 60.7 points in 2024. Between 2020 and 2024 the district moved 4.1 points toward the Republican candidate; the 2024 margin was 60.7 points.
A population of 50,566, a 74% non-Hispanic-white share, and a median household income of $76,167 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 28 and State Senate District 27.
Political twins — state-senate districts
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State Senate District 28
Idaho
96.8twin score
2008–2024 trajectory
State Senate District 27
Idaho
96.3twin score
2008–2024 trajectory≠ Scottish ancestry
State Senate District 25
Idaho
94.9twin score
2008–2020 trajectory≠ Irish ancestry
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 → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Idaho 30th State Senate District. Akashic. https://akashic.app/sld-upper/16030/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Idaho at the ballot boxAll elections →
Places within Idaho 30th State Senate District
counties it covers2
Frequently asked questions
How did Idaho 30th State Senate District vote in 2024?
In 2024, Idaho 30th State Senate District voted Republican by 60.7 points (R+60.7), carried by the Republican candidate. Out of 22,057 votes cast, 4,063 went Democratic and 17,456 went Republican.
When did Idaho 30th State Senate District last vote Democratic?
The most recent presidential election in which Idaho 30th State Senate District voted Democratic was 1964.
How many people live in Idaho 30th State Senate District?
Idaho 30th State Senate District has a population of 50,566 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Idaho 30th State Senate District?
Median household income in Idaho 30th State Senate District is $76,167 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Idaho 30th State Senate District?
Akashic tracks 38 presidential elections in Idaho 30th State Senate District from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.