- Lead
- 5,902
- Total
- 20,450
- vs nation
- R+27.4
Idaho 33rd State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,778
- Total
- 20,858
- vs nation
- R+32.2
- Lead
- 5,009
- Total
- 17,876
- vs nation
- R+30.1
- Lead
- 6,474
- Total
- 17,354
- vs nation
- R+41.2
- Lead
- 4,615
- Total
- 17,074
- vs nation
- R+34.3
- Lead
- 6,570
- Total
- 15,464
- vs nation
- R+40.0
- Lead
- 5,319
- Total
- 13,431
- vs nation
- R+40.1
- Lead
- 2,515
- Total
- 13,733
- vs nation
- R+26.8
Key facts
- 2024 presidential margin
- R+28.9MIT Election Lab
- Population
- 51,5852024 5-year
- Population density
- 2,999 / sq mi2024 5-year · TIGER/Line
- Land area
- 17.2 sq miTIGER/Line
- Median household income
- $67,0952024 5-year
- White (non-Hispanic)
- 77.0%2024 5-year
- Black
- 0.5%2024 5-year
- Hispanic / Latino
- 16.6%2024 5-year
- Peak Democratic margin
- D+56.8 in 1936MIT Election Lab
- Peak Republican margin
- R+55.8 in 1984MIT Election Lab
- Most similar
- State Senate District 32, ID · twin score 95.4
presidential history
Party record book
Idaho 33rd State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1912–2024 · 29 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1936
77.8%
2,843 votes · D+56.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 68.3%
Republican
Ronald Reagan1984
77.6%
8,875 votes · R+55.8 · modeled estimate
Runner-up · Ronald Reagan, 1980 · 72.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
7,094votes
34.0% of the vote · R+27.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 6,940 votes
Republican
Donald Trump2020
12,872votes
61.7% of the vote · R+27.7 · modeled estimate
Runner-up · Donald Trump, 2024 · 12,842 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. Roosevelt1936
+32.6pts D vs U.S.
Place D+56.8 · U.S. D+24.3 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +31.3 pts
Republican
Ronald Reagan1980
+41.5pts R vs U.S.
Place R+51.3 · U.S. R+9.7 · modeled estimate
Runner-up · Mitt Romney, 2012 · +41.2 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 | 27.9%3,355 | 72.1%8,688 | 12,043 |
Idaho 33rd State Senate District sits in the Northern Rockies. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 56.8 points in 1936 and a Republican high of 55.8 points in 1984. Between 2020 and 2024 the district moved 1.2 points toward the Republican candidate; the 2024 margin was 28.9 points.
A population of 51,585, a 77% non-Hispanic-white share, and a median household income of $67,095 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 32 and State Senate District 1.
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 33rd State Senate District. Akashic. https://akashic.app/sld-upper/16033/. Accessed May 20, 2026. License: CC BY 4.0.