Washington
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −7.6% |
| 1896 | +15.1% |
| 1900 | −11.7% |
| 1904 | −50.6% |
| 1908 | −25.8% |
| 1912 | +5.1% |
| 1916 | +4.2% |
| 1920 | −34.8% |
| 1924 | −42.1% |
| 1928 | −35.8% |
| 1932 | +23.5% |
| 1936 | +36.5% |
| 1940 | +17.6% |
| 1944 | +14.6% |
| 1948 | +9.8% |
| 1952 | −9.6% |
| 1956 | −8.5% |
| 1960 | −2.4% |
| 1964 | +24.6% |
| 1968 | +2.1% |
| 1972 | −18.3% |
| 1976 | −3.9% |
| 1980 | −12.3% |
| 1984 | −13.0% |
| 1988 | +1.6% |
| 1992 | +11.4% |
| 1996 | +12.5% |
| 2000 | +5.6% |
| 2004 | +7.2% |
| 2008 | +17.2% |
| 2012 | +14.8% |
| 2016 | +15.7% |
| 2020 | +19.2% |
| 2024 | +18.2% |
DemocraticRepublican
Congressional elections · 221 House races · 17 Senate races
U.S. House
| Year | Seats won | D % | R % | Total |
|---|---|---|---|---|
| D 8 · R 2 | 57.2% | 42.3% | 3,768,180 | |
| D 8 · R 2 | 57.9% | 41.7% | 3,026,173 | |
| D 7 · R 3 | 59.3% | 39.2% | 3,944,233 | |
| D 7 · R 3 | 62.5% | 34.7% | 3,021,951 |
U.S. Senate
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 4,872,385 |
| 2018 | 4,841,431 |
| 2020 | 5,255,466 |
| 2022 | 5,303,997 |
| 2024 | 5,597,156 |
domestic migration
Who moves in and out
Net domestic migration over time
+9,238 net domestic migration · 2025
20112025
Net +309,075 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | +27,417 |
| 2012 | +11,981 |
| 2013 | +12,018 |
| 2014 | +24,456 |
| 2015 | +41,599 |
| 2016 | +67,523 |
| 2017 | +64,310 |
| 2018 | +47,153 |
| 2019 | +37,476 |
| 2021 | −14,999 |
| 2022 | −3,314 |
| 2023 | −17,511 |
| 2024 | +1,728 |
| 2025 | +9,238 |
King County voted Democratic by 51 points, and its margin alone is four-fifths of Washington’s statewide total — Seattle against the wheat country, with the Cascades in between.
- Held against the tide
- D+19.2 (2020) → D+18.2 (2024) — a 1-pt slip as the nation moved toward Trump; Democratic every cycle since 1988 · MIT Election Lab
- King County is the engine
- Seattle’s county voted D+51.3 — the state’s widest; its 580,413-vote margin is ~four-fifths of the 714,926 statewide · MIT Election Lab 2024
- The Cascade divide
- Five Puget Sound counties cast 58.9% of the vote; Pierce D+10.7, Snohomish D+18.8, Thurston D+20.3, Whatcom D+24.7 · MIT Election Lab 2024
- The rural east
- Lincoln County R+50.3 — the state’s widest; Garfield R+47.6, Benton R+21.7, Yakima R+14.3 across the wheat country and Columbia Basin · MIT Election Lab 2024
- Spokane is the eastern swing city
- The largest eastern county held R+4.9 — closer than R+8.3 in 2016 — against a heavily Republican interior · MIT Election Lab
- An affluent, tech-shaped electorate
- Asian 9.7% (Chinese 2.2%, Asian Indian 2.0%); 7th in income at $98,141; 11th in bachelor’s at 39.3% · ACS 2024 5-year
Political twins — states
The states whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Oregon
Oregon
77.7twin score
12-yr trend2008–2024 trajectory≠ median income
Colorado
Colorado
68.1twin score
12-yr trendmedian income2020–2024 trajectory≠ % Asian
Maryland
Maryland
64.2twin score
12-yr trend2016–2024 trajectorymedian income≠ % Black
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 →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Washington. Akashic. https://akashic.app/state/WA/. Accessed May 20, 2026. License: CC BY 4.0.
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Washington at the ballot boxAll elections →
Places within Washington
Frequently asked questions
How did Washington vote in 2024?
In 2024, Washington voted Democratic by 18.2 points (D+18.2), carried by the Democratic candidate. Out of 3,924,245 votes cast, 2,245,849 went Democratic and 1,530,923 went Republican.
When did Washington last vote Republican?
The most recent presidential election in which Washington voted Republican was 1984.
How many people live in Washington?
Washington has a population of 7,816,116 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Washington?
Median household income in Washington is $98,141 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of Washington?
Akashic tracks 34 presidential elections in Washington from 1892 to 2024. Of those, 19 went Democratic and 14 went Republican.