- Lead
- 18,374
- Total
- 36,706
- vs nation
- D+51.5
Oregon 27th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 19,660
- Total
- 39,804
- vs nation
- D+44.9
- Lead
- 14,046
- Total
- 34,698
- vs nation
- D+38.4
- Lead
- 10,331
- Total
- 30,177
- vs nation
- D+30.4
- Lead
- 11,745
- Total
- 30,311
- vs nation
- D+31.5
- Lead
- 6,965
- Total
- 28,815
- vs nation
- D+26.6
- Lead
- 4,632
- Total
- 22,995
- vs nation
- D+19.6
- Lead
- 4,607
- Total
- 19,903
- vs nation
- D+14.6
Key facts
- 2024 presidential margin
- D+50.1MIT Election Lab
- Population
- 70,3032024 5-year
- Population density
- 4,783 / sq mi2024 5-year · TIGER/Line
- Land area
- 14.7 sq miTIGER/Line
- Median household income
- $97,9652024 5-year
- White (non-Hispanic)
- 64.5%2024 5-year
- Black
- 2.4%2024 5-year
- Hispanic / Latino
- 17.4%2024 5-year
- Peak Democratic margin
- D+50.1 in 2024MIT Election Lab
- Peak Republican margin
- R+44.5 in 1904MIT Election Lab
- Most similar
- State House District 25, OR · twin score 98.1
presidential history
Party record book
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 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 |
|---|---|---|---|---|
| 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.
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 27th State House District. Akashic. https://akashic.app/sld-lower/41027/. Accessed May 20, 2026. License: CC BY 4.0.