- Lead
- 2,622
- Total
- 52,136
- vs nation
- D+6.5
Oregon 11th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,065
- Total
- 56,626
- vs nation
- D+4.5
- Lead
- 1,452
- Total
- 47,257
- vs nation
- D+1.0
- Lead
- 1,889
- Total
- 41,661
- vs nation
- D+0.7
- Lead
- 4,402
- Total
- 43,354
- vs nation
- D+2.9
- Lead
- 661
- Total
- 44,572
- vs nation
- D+1.0
- Lead
- 129
- Total
- 39,134
- vs nation
- R+0.2
- Lead
- 3,394
- Total
- 37,330
- vs nation
- D+0.6
Key facts
- 2024 presidential margin
- D+5.0MIT Election Lab
- Population
- 142,2632024 5-year
- Population density
- 1,617 / sq mi2024 5-year · TIGER/Line
- Land area
- 88 sq miTIGER/Line
- Median household income
- $66,9352024 5-year
- White (non-Hispanic)
- 49.7%2024 5-year
- Black
- 1.4%2024 5-year
- Hispanic / Latino
- 39.9%2024 5-year
- Peak Democratic margin
- D+33.2 in 1936MIT Election Lab
- Peak Republican margin
- R+44.6 in 1904MIT Election Lab
- Most similar
- State Senate District 23, AZ · twin score 86.7
presidential history
Party record book
Oregon 11th State Senate 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
66.1%
11,970 votes · D+32.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 62.7%
Republican
Dwight D. Eisenhower1952
66.6%
9,499 votes · R+33.8 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 66.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
29,865votes
52.7% of the vote · D+8.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 26,424 votes
Republican
Donald Trump2020
24,800votes
43.8% of the vote · D+8.9 · modeled estimate
Runner-up · Donald Trump, 2024 · 23,802 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
+11.9pts D vs U.S.
Place D+5.8 · U.S. R+6.1 · modeled estimate
Runner-up · Michael Dukakis, 1988 · +11.1 pts
Republican
Benjamin Harrison1892
+31.3pts R vs U.S.
Place R+29.6 · U.S. D+1.7 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +24.9 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 | 49.5%31,371 | 50.5%32,058 | 63,429 |
Anchored in the high desert and rural communities of central and eastern Oregon, this district delivered a nearly 20-point Republican margin in 2024, reflecting the sharp urban-rural divide that defines the state's political map.
Across the recorded series it reached a Democratic high of 33.2 points in 1936 and a Republican high of 44.6 points in 1904. Between 2020 and 2024 the district moved 3.9 points toward the Republican candidate; the 2024 margin was 5.0 points.
A population of 142,263, a 50% non-Hispanic-white share, and a median household income of $66,935 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 23 and State Senate District 21.
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 →
Oregon 11th State Senate District. Akashic. https://akashic.app/sld-upper/41011/. Accessed May 20, 2026. License: CC BY 4.0.