Idaho 1st State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1908–2024 · 30 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1932
65.0%
4,949 votes · D+32.7 · modeled estimate
Runner-up · Woodrow Wilson, 1912 · 62.1%
Republican
Donald Trump2024
72.1%
23,675 votes · R+46.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 67.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
9,027votes
29.7% of the vote · R+38.0 · modeled estimate
Runner-up · Barack Obama, 2008 · 8,884 votes
Republican
Donald Trump2024
23,675votes
72.1% of the vote · R+46.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 20,568 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
Franklin D. Roosevelt1932
+14.9pts D vs U.S.
Place D+32.7 · U.S. D+17.8 · modeled estimate
Runner-up · Adlai Stevenson, 1956 · +11.8 pts
Republican
Donald Trump2024
+45.3pts R vs U.S.
Place R+46.7 · U.S. R+1.5 · modeled estimate
Runner-up · Donald Trump, 2020 · +42.5 pts
current representation
Current officeholders
RJim WoodwardState Senate · 1
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
R
25.9%6,612
74.1%18,939
25,551
2018
R
33.0%5,784
67.0%11,759
17,543
Its Republican presidential margin was R+46.7 in 2024 and R+17.3 in 2008. About 59,400 residents lived here, with White alone at 88.4% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 32.7 points in 1932 and a Republican high of 46.7 points in 2024. Between 2020 and 2024 the district moved 8.7 points toward the Republican candidate; the 2024 margin was 46.7 points.
A population of 53,610, a 89% non-Hispanic-white share, and a median household income of $68,429 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 38 and State Senate District 44.
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 → · 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 1st State Senate District. Akashic. https://akashic.app/sld-upper/16001/. Accessed May 20, 2026. License: CC BY 4.0.
How did Idaho 1st State Senate District vote in 2024?
In 2024, Idaho 1st State Senate District voted Republican by 46.7 points (R+46.7), carried by the Republican candidate. Out of 32,814 votes cast, 8,336 went Democratic and 23,675 went Republican.
When did Idaho 1st State Senate District last vote Democratic?
The most recent presidential election in which Idaho 1st State Senate District voted Democratic was 1992.
How many people live in Idaho 1st State Senate District?
Idaho 1st State Senate District has a population of 53,610 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Idaho 1st State Senate District?
Median household income in Idaho 1st State Senate District is $68,429 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Idaho 1st State Senate District?
Akashic tracks 38 presidential elections in Idaho 1st State Senate District from 1876 to 2024. Of those, 10 went Democratic and 19 went Republican.