Washington 1st Congressional District: Diversifying Metro district. In 2024, voted D+29%. Democratic peak: D+30 in 2020.
Key facts
- 2024 presidential margin
- D+29MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 195,3262024 5-year
- Median household income
- $117,4712024 5-year
- White (non-Hispanic)
- 59.8%2024 5-year
- Black
- 5.0%2024 5-year
- Hispanic / Latino
- 11.6%2024 5-year
- Peak Democratic margin
- D+30 in 2020MIT Election Lab
DW-NOMINATE
Member ideology
D
DELBENE, Suzan K.
DELBENE scores -0.29 on the first NOMINATE dimension (−1 most liberal, +1 most conservative).
Predecessors: INSLEE, Jay Robert (2011–2013), INSLEE, Jay Robert (2009–2011), INSLEE, Jay Robert (2007–2009), INSLEE, Jay Robert (2005–2007)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
2024 presidential election
Congressional District 1
HarrisD+29
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 62.2% | 232,273 |
|---|---|---|
| Donald TrumpRepublican | 33.7% | 125,752 |
| OtherAll other candidates | 4.2% | 15,594 |
D+60R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2008 | +21.5% |
| 2012 | +19.4% |
| 2016 | +25.8% |
| 2020 | +30.4% |
| 2024 | +28.5% |
DemocraticRepublican
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 232,273 | 125,752 | 373,619 | ||
| D | 250,830 | 130,717 | 395,175 | ||
| D | 185,906 | 104,583 | 315,765 | ||
| D | 175,539 | 118,575 | 294,114 | ||
| D | 174,265 | 111,728 | 291,094 |
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
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
12.8%
English
11.4%
Irish
8.9%
Italian
3.2%
American
2.8%
Scottish
2.5%
French
2.3%
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.
2024 ACS
Age distribution by sex
Median age: 38.0 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$117,471
Congressional District 1 ranks near the middle of US counties.
Congressional District 1$117,471
Washington$98,141
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
8.3%
Child poverty is below the national average.
Children under 189.4%
Working age (18–64)7.8%
Seniors (65+)10.4%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
72.5%
speak English only
Asian & Pacific Islander10.9%
Spanish7.3%
Other Indo-European6.7%
Other languages2.6%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 58.8% of residents not counted as adherents by any reporting body.
Washington's 1st stretches from Eastside tech suburbs east of Lake Washington into rural Snohomish County, blending high-income professional households with timber and farming communities in a district that has trended steadily toward Democratic margins over the past decade.
Across the recorded series it reached a Democratic high of thirty points in 2020. Between 2020 and 2024 the district moved two points toward the Republican candidate; the 2024 margin was twenty-nine points.
A population of 195,326, a 60% non-Hispanic-white share, and a median household income of $117,471 describe the district.
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 1, Washington. Akashic. https://akashic.app/cd/5301/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 1, Washington vote in 2024?
In 2024, Congressional District 1, Washington voted Democratic by 28.5 points (D+29), carried by the Democratic candidate. Out of 373,619 votes cast, 232,273 went Democratic and 125,752 went Republican.
What is Congressional District 1, Washington's political typology?
Akashic places Congressional District 1, Washington in the "Diversifying Metro" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 5 elections in the dataset, the district has voted Democratic 5 times, Republican 0 times, and other 0 times.
How many people live in Congressional District 1, Washington?
Congressional District 1, Washington has a population of 195,326 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 1, Washington?
Median household income in Congressional District 1, Washington is $117,471 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of Congressional District 1, Washington?
Akashic tracks 5 presidential elections in Congressional District 1, Washington from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican. The district's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.