Oregon 27th 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
Joe Biden2020
73.1%
29,089 votes · D+49.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 73.1%
Republican
Theodore Roosevelt1904
67.0%
227 votes · R+44.5 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 54.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
29,089votes
73.1% of the vote · D+49.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 26,821 votes
Republican
George W. Bush2004
10,715votes
37.2% of the vote · D+24.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 9,429 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
Kamala Harris2024
+51.5pts D vs U.S.
Place D+50.1 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +44.9 pts
Republican
Benjamin Harrison1892
+32.4pts R vs U.S.
Place R+30.7 · U.S. D+1.7 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +24.9 pts
current representation
Current officeholders
DKen HelmState House · 27
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
D
67.2%21,729
32.8%10,623
32,352
2020
D
67.1%24,104
32.9%11,810
35,914
Oregon 27th State House District sits in the Pacific Northwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 50.1 points in 2024 and a Republican high of 44.5 points in 1904. Between 2020 and 2024 the district moved 0.7 points toward the Democratic candidate; the 2024 margin was 50.1 points.
A population of 70,303, a 65% non-Hispanic-white share, and a median household income of $97,965 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 25 and State House District 28.
Akashic
Political twins — state-house districts
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.
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 27th State House District. Akashic. https://akashic.app/sld-lower/41027/. Accessed May 20, 2026. License: CC BY 4.0.
How did Oregon 27th State House District vote in 2024?
In 2024, Oregon 27th State House District voted Democratic by 50.1 points (D+50.1), carried by the Democratic candidate. Out of 36,706 votes cast, 26,821 went Democratic and 8,447 went Republican.
When did Oregon 27th State House District last vote Republican?
The most recent presidential election in which Oregon 27th State House District voted Republican was 1984.
How many people live in Oregon 27th State House District?
Oregon 27th State House District has a population of 70,303 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Oregon 27th State House District?
Median household income in Oregon 27th State House District is $97,965 — above the national median of $80,734. The Oregon state median is $83,011.
What is the political history of Oregon 27th State House District?
Akashic tracks 38 presidential elections in Oregon 27th State House District from 1876 to 2024. Of those, 24 went Democratic and 13 went Republican.