- Lead
- 12,521
- Total
- 42,021
- vs nation
- R+28.3
Oregon 1st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 13,181
- Total
- 43,879
- vs nation
- R+34.5
- Lead
- 12,245
- Total
- 36,704
- vs nation
- R+35.5
- Lead
- 7,679
- Total
- 33,440
- vs nation
- R+26.8
- Lead
- 6,320
- Total
- 35,595
- vs nation
- R+25.0
- Lead
- 9,826
- Total
- 37,847
- vs nation
- R+23.5
- Lead
- 9,467
- Total
- 33,245
- vs nation
- R+29.0
- Lead
- 3,183
- Total
- 30,467
- vs nation
- R+19.0
Key facts
- 2024 presidential margin
- R+29.8MIT Election Lab
- Population
- 71,1572024 5-year
- Population density
- 20 / sq mi2024 5-year · TIGER/Line
- Land area
- 3,492 sq miTIGER/Line
- Median household income
- $60,9642024 5-year
- White (non-Hispanic)
- 84.2%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 6.0%2024 5-year
- Peak Democratic margin
- D+33.6 in 1964MIT Election Lab
- Peak Republican margin
- R+52.8 in 1904MIT Election Lab
- Most similar
- State House District 4, OR · twin score 96.7
presidential history
Party record book
Oregon 1st State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
66.7%
11,871 votes · D+33.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 57.2%
Republican
Theodore Roosevelt1904
70.2%
1,625 votes · R+52.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 67.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
14,790votes
33.7% of the vote · R+30.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 14,120 votes
Republican
Donald Trump2020
27,971votes
63.7% of the vote · R+30.0 · modeled estimate
Runner-up · Donald Trump, 2024 · 26,641 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
Lyndon B. Johnson1964
+11.0pts D vs U.S.
Place D+33.6 · U.S. D+22.6 · modeled estimate
Runner-up · Adlai Stevenson, 1956 · +8.0 pts
Republican
Donald Trump2016
+35.5pts R vs U.S.
Place R+33.4 · U.S. D+2.1 · modeled estimate
Runner-up · Donald Trump, 2020 · +34.5 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.
Covering rural eastern Oregon, this district delivered a nearly 49-point margin for the Republican presidential candidate in 2024, making it one of the most lopsided state house seats in the state and a reliable anchor of the GOP caucus.
Across the recorded series it reached a Democratic high of 33.6 points in 1964 and a Republican high of 52.8 points in 1904. The 2024 margin was 29.8 points.
A population of 71,157, a 84% non-Hispanic-white share, and a median household income of $60,964 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 4 and State House District 60.
The state-house 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 →
Oregon 1st State House District. Akashic. https://akashic.app/sld-lower/41001/. Accessed May 20, 2026. License: CC BY 4.0.