Washington 10th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +17.0% |
| 2012 | +16.4% |
| 2016 | +13.1% |
| 2020 | +17.6% |
| 2024 | +17.9% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 10 | D | 58.5%203,732 | 41.2%143,492 | 348,044 |
| 2022 | 10 | D | 57.0%152,544 | 42.9%114,777 | 267,748 |
| 2020 | 10 | D | 84.9%288,977 | 0.0%0 | 340,407 |
| 2018 | 10 | D | 61.5%166,215 | 38.5%103,860 | 270,075 |
| 2016 | 10 | D | 58.7%170,460 | 41.3%120,104 | 290,564 |
| 2014 | 10 | D | 54.7%99,279 | 45.3%82,213 | 181,492 |
| 2012 | 10 | D | 58.6%163,036 | 41.4%115,381 | 278,417 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 59.1%2,252,577 | 40.6%1,549,187 | 3,812,391 |
| 2022 | D | 57.1%1,741,827 | 42.6%1,299,322 | 3,047,900 |
| 2018 | D | 58.4%1,803,364 | 41.6%1,282,804 | 3,086,168 |
| 2016 | D | 59.0%1,913,979 | 41.0%1,329,338 | 3,243,317 |
| 2012 | D | 60.5%1,855,493 | 39.5%1,213,924 | 3,069,417 |
| 2010 | D | 52.4%1,314,930 | 47.6%1,196,164 | 2,511,094 |
| 2006 | D | 56.9%1,184,659 | 39.9%832,106 | 2,083,734 |
| 2004 | D | 55.0%1,549,708 | 42.7%1,204,584 | 2,818,651 |
| 2000 | D | 48.7%1,199,437 | 48.6%1,197,208 | 2,461,379 |
| 1998 | D | 58.4%1,103,184 | 41.6%785,377 | 1,888,561 |
| 1994 | R | 44.3%752,352 | 55.7%947,821 | 1,700,173 |
| 1992 | D | 54.0%1,197,973 | 46.0%1,020,829 | 2,218,802 |
| 1988 | R | 48.9%904,183 | 51.1%944,359 | 1,848,542 |
| 1986 | D | 50.7%677,471 | 48.7%650,931 | 1,337,367 |
| 1982 | D | 69.0%943,655 | 24.3%332,273 | 1,368,476 |
| 1980 | R | 45.8%792,052 | 54.2%936,317 | 1,728,369 |
| 1976 | D | 71.8%1,071,219 | 24.2%361,546 | 1,491,111 |
Washington's 10th stretches across the south Puget Sound region, anchored by Olympia and Lacey, where state-government employment and suburban growth have reinforced a consistent Democratic margin of roughly 15 points in recent presidential cycles.
Across the recorded series it reached a Democratic high of 17.9 points in 2024. The 2024 margin was 17.9 points.
A population of 768,676, a 63% non-Hispanic-white share, and a median household income of $94,427 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 2 and Congressional District 6.
The congressional 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 →
Washington 10th Congressional District. Akashic. https://akashic.app/cd/5310/. Accessed May 20, 2026. License: CC BY 4.0.