- Lead
- 14,743
- Total
- 23,929
- vs nation
- R+60.1
Idaho 24th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 13,017
- Total
- 22,751
- vs nation
- R+61.7
- Lead
- 10,574
- Total
- 19,045
- vs nation
- R+57.6
- Lead
- 9,668
- Total
- 18,166
- vs nation
- R+57.1
- Lead
- 8,855
- Total
- 18,502
- vs nation
- R+55.1
- Lead
- 10,354
- Total
- 17,726
- vs nation
- R+56.0
- Lead
- 8,114
- Total
- 15,523
- vs nation
- R+52.8
- Lead
- 4,977
- Total
- 15,465
- vs nation
- R+40.7
Key facts
- 2024 presidential margin
- R+61.6MIT Election Lab
- Population
- 53,1212024 5-year
- Population density
- 14 / sq mi2024 5-year · TIGER/Line
- Land area
- 3,697 sq miTIGER/Line
- Median household income
- $72,8052024 5-year
- White (non-Hispanic)
- 74.6%2024 5-year
- Black
- 0.2%2024 5-year
- Hispanic / Latino
- 20.6%2024 5-year
- Peak Democratic margin
- D+9.9 in 1936MIT Election Lab
- Peak Republican margin
- R+61.6 in 2024MIT Election Lab
- Most similar
- State Senate District 9, ID · twin score 97.6
presidential history
Party record book
Idaho 24th 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. Roosevelt1936
53.7%
5,075 votes · D+9.9 · modeled estimate
Runner-up · Woodrow Wilson, 1912 · 53.0%
Republican
Ronald Reagan1984
80.0%
12,417 votes · R+60.9 · modeled estimate
Runner-up · Donald Trump, 2024 · 79.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
5,075votes
53.7% of the vote · D+9.9 · modeled estimate
Runner-up · John F. Kennedy, 1960 · 4,824 votes
Republican
Donald Trump2024
19,050votes
79.6% of the vote · R+61.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 17,526 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 Wilson1916
−4.6pts D vs U.S.
Place R+1.5 · U.S. D+3.1 · modeled estimate
Runner-up · John W. Davis, 1924 · −11.2 pts
Republican
Donald Trump2020
+61.7pts R vs U.S.
Place R+57.2 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +60.1 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
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 |
|---|---|---|---|---|
| 2020 | R | 21.6%3,878 | 78.4%14,052 | 17,930 |
| 2018 | R | 26.4%3,735 | 73.6%10,424 | 14,159 |
With a 2024 presidential margin of R+61.6, this district ranks among the most one-sided in Idaho's upper chamber, reflecting a sparse, rural electorate where statewide Republican candidates routinely post landslide numbers.
Across the recorded series it reached a Democratic high of 9.9 points in 1936 and a Republican high of 61.6 points in 2024. Between 2020 and 2024 the district moved 4.4 points toward the Republican candidate; the 2024 margin was 61.6 points.
A population of 53,121, a 75% non-Hispanic-white share, and a median household income of $72,805 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 9 and State Senate District 13.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Idaho 24th State Senate District. Akashic. https://akashic.app/sld-upper/16024/. Accessed May 20, 2026. License: CC BY 4.0.