- Lead
- 23,163
- Total
- 35,114
- vs nation
- D+67.4
Oregon 8th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 26,011
- Total
- 38,117
- vs nation
- D+63.8
- Lead
- 22,383
- Total
- 36,329
- vs nation
- D+59.5
- Lead
- 22,608
- Total
- 33,129
- vs nation
- D+64.4
- Lead
- 25,556
- Total
- 35,774
- vs nation
- D+64.2
- Lead
- 23,335
- Total
- 34,467
- vs nation
- D+70.2
- Lead
- 16,278
- Total
- 27,483
- vs nation
- D+58.7
- Lead
- 14,221
- Total
- 26,162
- vs nation
- D+48.4
Key facts
- 2024 presidential margin
- D+66.0MIT Election Lab
- Population
- 71,3012024 5-year
- Population density
- 614 / sq mi2024 5-year · TIGER/Line
- Land area
- 116 sq miTIGER/Line
- Median household income
- $53,4842024 5-year
- White (non-Hispanic)
- 75.6%2024 5-year
- Black
- 1.7%2024 5-year
- Hispanic / Latino
- 8.7%2024 5-year
- Peak Democratic margin
- D+77.8 in 1964MIT Election Lab
- Most similar
- State House District 61, IN · twin score 92.0
presidential history
Party record book
Oregon 8th 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
88.7%
13,171 votes · D+77.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 84.6%
Republican
Herbert Hoover1928
41.5%
848 votes · D+14.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 30.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
31,394votes
82.4% of the vote · D+68.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 30,261 votes
Republican
Donald Trump2020
5,383votes
14.1% of the vote · D+68.2 · modeled estimate
Runner-up · George W. Bush, 2004 · 5,315 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
+77.1pts D vs U.S.
Place D+71.0 · U.S. R+6.1 · modeled estimate
Runner-up · George McGovern, 1972 · +76.3 pts
Republican
Benjamin Harrison1892
−25.7pts R vs U.S.
Place D+27.4 · U.S. D+1.7 · modeled estimate
Runner-up · William H. Taft, 1912 · −29.4 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.
With a 2024 presidential margin of D+66.1, this Portland-area district ranks among the most reliably Democratic constituencies in the state, reflecting the dense urban concentration that defines its electorate.
Across the recorded series it reached a Democratic high of 77.8 points in 1964. Between 2020 and 2024 the district moved 2.3 points toward the Republican candidate; the 2024 margin was 66.0 points.
A population of 71,301, a 76% non-Hispanic-white share, and a median household income of $53,484 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 61 and State House District 95.
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 8th State House District. Akashic. https://akashic.app/sld-lower/41008/. Accessed May 20, 2026. License: CC BY 4.0.