Washington 10th Congressional District, Washington: Democratic loyalist district. In 2024, voted D+16%. Republican peak: R+51 in 1904.
Key facts
- 2024 presidential margin
- D+16MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 336,0872024 5-year
- Median household income
- $97,9092024 5-year
- White (non-Hispanic)
- 68.5%2024 5-year
- Black
- 5.1%2024 5-year
- Hispanic / Latino
- 11.6%2024 5-year
- Peak Democratic margin
- D+42 in 1936MIT Election Lab
- Peak Republican margin
- R+51 in 1904MIT Election Lab
D
STRICKLAND, Marilyn
−1 liberal+1 conservative
Predecessors: HECK, Denny (2019–2021), HECK, Denny (2017–2019), HECK, Denny (2015–2017), HECK, Denny (2013–2015)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
Constituent county margins for Congressional District 10, WAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 97,393 | 69,093 | 173,199 | ||
| D | 100,302 | 72,494 | 179,398 | ||
| D | 70,595 | 53,925 | 141,500 | ||
| D | 76,093 | 54,602 | 135,057 | ||
| D | 76,490 | 52,930 | 131,922 | ||
| D | 64,466 | 54,174 | 120,746 | ||
| D | 53,678 | 43,932 | 103,952 | ||
| D | 47,801 | 32,959 | 92,830 | ||
| D | 40,299 | 28,435 | 91,486 | ||
| D | 36,651 | 35,078 | 72,991 | ||
| R | 29,515 | 39,635 | 70,066 | ||
| R | 23,152 | 30,965 | 62,577 | ||
| D | 25,844 | 25,113 | 53,090 | ||
| R | 18,270 | 27,472 | 48,032 | ||
| D | 20,592 | 16,851 | 40,891 | ||
| D | 24,596 | 12,303 | 37,157 | ||
| R | 17,618 | 17,893 | 35,875 | ||
| R | 15,487 | 17,982 | 33,600 | ||
| R | 15,146 | 17,774 | 33,215 | ||
| D | 14,694 | 11,468 | 27,603 | ||
| D | 14,647 | 10,020 | 25,004 | ||
| D | 15,246 | 8,914 | 24,523 | ||
| D | 14,536 | 5,712 | 21,101 | ||
| D | 10,139 | 5,708 | 19,089 | ||
| R | 4,687 | 10,256 | 15,188 | ||
| R | 1,270 | 6,640 | 12,759 | ||
| R | 2,185 | 5,989 | 11,463 | ||
| O | 4,716 | 4,716 | 10,464 | ||
| O | 2,013 | 2,256 | 9,040 | ||
| R | 1,397 | 2,974 | 5,011 | ||
| R | 795 | 2,898 | 4,161 | ||
| R | 1,206 | 1,820 | 3,190 | ||
| D | 1,779 | 1,406 | 3,212 | ||
| R | 1,089 | 1,287 | 3,278 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Congressional elections · 17 Senate races
U.S. Senate
| Year | Won | D % | R % | Total |
|---|---|---|---|---|
| 2024 | D | 59.1% | 40.6% | 3,812,391 |
| 2022 | D | 57.1% | 42.6% | 3,047,900 |
| 2018 | D | 58.4% | 41.6% | 3,086,168 |
| 2016 | D | 59.0% | 41.0% | 3,243,317 |
| 2012 | D | 60.5% | 39.5% | 3,069,417 |
| 2010 | D | 52.4% | 47.6% | 2,511,094 |
| 2006 | D | 56.9% | 39.9% | 2,083,734 |
| 2004 | D | 55.0% | 42.7% | 2,818,651 |
| 2000 | D | 48.7% | 48.6% | 2,461,379 |
| 1998 | D | 58.4% | 41.6% | 1,888,561 |
| 1994 | R | 44.3% | 55.7% | 1,700,173 |
| 1992 | D | 54.0% | 46.0% | 2,218,802 |
| 1988 | R | 48.9% | 51.1% | 1,848,542 |
| 1986 | D | 50.7% | 48.7% | 1,337,367 |
| 1982 | D | 69.0% | 24.3% | 1,368,476 |
| 1980 | R | 45.8% | 54.2% | 1,728,369 |
| 1976 | D | 71.8% | 24.2% | 1,491,111 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
15.6%
English
12.1%
Irish
11.0%
American
3.8%
Italian
3.3%
Scottish
2.8%
French
2.4%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 38.7 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$97,909
Congressional District 10 ranks near the middle of US counties.
Congressional District 10$97,909
Washington$98,141
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
9.2%
Child poverty is below the national average.
Children under 1810.8%
Working age (18–64)8.8%
Seniors (65+)9.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
86.2%
speak English only
Spanish5.4%
Asian & Pacific Islander5.0%
Other Indo-European2.6%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 59.9% of residents not counted as adherents by any reporting body.
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.
The Democratic margin in Washington 10th Congressional District reached its widest at forty-two points in 1936. The margin in 2024 was sixteen points — still decisive.
Its loyalty is rooted in its place. Median household income of $97,909, a 69% non-Hispanic-white share, and a population of 336,087 together describe a district whose political habits are deeply settled.
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Congressional District 10, Washington. Akashic. https://akashic.app/cd/5310/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 10, Washington vote in 2024?
In 2024, Congressional District 10, Washington voted Democratic by 16.3 points (D+16), carried by the Democratic candidate. Out of 173,199 votes cast, 97,393 went Democratic and 69,093 went Republican.
What is Congressional District 10, Washington's political archetype?
Akashic classifies Congressional District 10, Washington as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 19 times, Republican 13 times, and other 2 times.
When did Congressional District 10, Washington last vote Republican?
The most recent presidential election in which Congressional District 10, Washington voted Republican was 1984.
How many people live in Congressional District 10, Washington?
Congressional District 10, Washington has a population of 336,087 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 10, Washington?
Median household income in Congressional District 10, Washington is $97,909 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of Congressional District 10, Washington?
Akashic tracks 38 presidential elections in Congressional District 10, Washington from 1876 to 2024. Of those, 19 went Democratic and 13 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.