Oregon 40th 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
Franklin D. Roosevelt1936
66.7%
2,330 votes · D+39.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 62.4%
Republican
Theodore Roosevelt1904
68.8%
448 votes · R+53.3 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 59.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
22,981votes
54.6% of the vote · D+12.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 21,528 votes
Republican
Donald Trump2020
17,633votes
41.9% of the vote · D+12.7 · modeled estimate
Runner-up · Donald Trump, 2024 · 16,659 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
Franklin D. Roosevelt1936
+15.4pts D vs U.S.
Place D+39.7 · U.S. D+24.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · +13.7 pts
Republican
Theodore Roosevelt1904
+33.6pts R vs U.S.
Place R+53.3 · U.S. R+19.7 · modeled estimate
Runner-up · Benjamin Harrison, 1892 · +29.2 pts
current representation
Current officeholders
DAnnessa HartmanState House · 40
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
51.7%19,258
48.3%18,026
37,284
2020
D
54.0%21,842
46.0%18,622
40,464
With a 2024 presidential margin of D+12.2 across a population of roughly 71,000, this district sits comfortably in Oregon's Democratic column — competitive enough to track but not among the state's marquee battlegrounds.
Across the recorded series it reached a Democratic high of 39.7 points in 1936 and a Republican high of 53.3 points in 1904. The 2024 margin was 12.2 points.
A population of 71,184, a 79% non-Hispanic-white share, and a median household income of $95,049 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 54 and Legislative (House) District 40.
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 40th State House District. Akashic. https://akashic.app/sld-lower/41040/. Accessed May 20, 2026. License: CC BY 4.0.
How did Oregon 40th State House District vote in 2024?
In 2024, Oregon 40th State House District voted Democratic by 12.2 points (D+12.2), carried by the Democratic candidate. Out of 39,786 votes cast, 21,528 went Democratic and 16,659 went Republican.
When did Oregon 40th State House District last vote Republican?
The most recent presidential election in which Oregon 40th State House District voted Republican was 2004.
How many people live in Oregon 40th State House District?
Oregon 40th State House District has a population of 71,184 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Oregon 40th State House District?
Median household income in Oregon 40th State House District is $95,049 — above the national median of $80,734. The Oregon state median is $83,011.
What is the political history of Oregon 40th State House District?
Akashic tracks 38 presidential elections in Oregon 40th State House District from 1876 to 2024. Of those, 13 went Democratic and 24 went Republican.