Oregon 10th 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
69.2%
15,474 votes · D+38.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 64.0%
Republican
Dwight D. Eisenhower1952
63.1%
10,669 votes · R+27.0 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 59.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
42,442votes
56.2% of the vote · D+16.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 39,756 votes
Republican
Donald Trump2020
30,266votes
40.1% of the vote · D+16.1 · modeled estimate
Runner-up · Donald Trump, 2024 · 28,744 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
+20.4pts D vs U.S.
Place D+14.3 · U.S. R+6.1 · modeled estimate
Runner-up · George McGovern, 1972 · +17.9 pts
Republican
Benjamin Harrison1892
+20.3pts R vs U.S.
Place R+18.7 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · +16.2 pts
current representation
Current officeholders
DDeb PattersonState Senate · 10
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
46.8%30,535
53.2%34,647
65,182
2020
R
48.8%32,664
51.2%34,214
66,878
Oregon Senate District 10 sits within the Portland metro area, where a dense, younger, and highly educated population has produced consistent double-digit Democratic presidential margins across recent election cycles.
Across the recorded series it reached a Democratic high of 38.8 points in 1964 and a Republican high of 33.0 points in 1904. Between 2020 and 2024 the district moved 0.7 points toward the Republican candidate; the 2024 margin was 15.5 points.
A population of 142,303, a 69% non-Hispanic-white share, and a median household income of $85,514 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 8 and Legislative (Senate) District 49.
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.
Oregon 10th State Senate District. Akashic. https://akashic.app/sld-upper/41010/. Accessed May 20, 2026. License: CC BY 4.0.
How did Oregon 10th State Senate District vote in 2024?
In 2024, Oregon 10th State Senate District voted Democratic by 15.5 points (D+15.5), carried by the Democratic candidate. Out of 71,216 votes cast, 39,756 went Democratic and 28,744 went Republican.
When did Oregon 10th State Senate District last vote Republican?
The most recent presidential election in which Oregon 10th State Senate District voted Republican was 1984.
How many people live in Oregon 10th State Senate District?
Oregon 10th State Senate District has a population of 142,303 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Oregon 10th State Senate District?
Median household income in Oregon 10th State Senate District is $85,514 — above the national median of $80,734. The Oregon state median is $83,011.
What is the political history of Oregon 10th State Senate District?
Akashic tracks 38 presidential elections in Oregon 10th State Senate District from 1876 to 2024. Of those, 25 went Democratic and 12 went Republican.