Washington 1st Congressional District (WA) — Elections 1876–2024

Washington 1st Congressional District, Washington: Democratic loyalist district. In 2024, voted D+34%. Republican peak: R+54 in 1904.

Key facts

2024 presidential margin: D+34MIT Election Lab
Political archetype: Democratic loyalistAkashic 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+38 in 1936MIT Election Lab
Peak Republican margin: R+54 in 1904MIT Election Lab

DELBENE, Suzan K.Congress 119 · Democratic

−1 liberal

+1 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 results by constituent county

2 counties · 2 D · 0 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+33.8%	62,715	30,047	96,650
2020	D	+35.5%	67,730	31,345	102,365
2016	D	+31.7%	51,375	24,507	84,717
2012	D	+28.1%	49,804	27,438	79,657
2008	D	+30.0%	48,873	26,024	76,238
2004	D	+19.1%	42,358	28,598	72,057
2000	D	+16.8%	34,928	24,421	62,603
1996	D	+18.9%	30,119	19,375	56,815
1992	D	+16.1%	26,448	17,005	58,760
1988	D	+4.1%	23,828	21,933	46,392
1984	R	−9.6%	20,077	24,376	44,992
1980	R	−8.0%	15,738	18,979	40,574
1976	R	−3.3%	16,729	17,904	36,058
1972	R	−17.6%	13,288	19,246	33,924
1968	D	+3.9%	14,287	13,121	29,600
1964	D	+25.8%	17,419	10,222	27,893
1960	D	+0.1%	13,056	13,031	26,478
1956	R	−6.9%	10,576	12,153	22,978
1952	R	−5.3%	10,075	11,230	21,595
1948	D	+9.2%	8,874	7,281	17,250
1944	D	+20.1%	9,918	6,567	16,662
1940	D	+23.6%	8,900	5,461	14,581
1936	D	+38.2%	8,584	3,728	12,705
1932	D	+26.2%	6,569	3,655	11,106
1928	R	−35.0%	2,760	5,849	8,831
1924	R	−44.9%	485	3,687	7,124
1920	R	−38.1%	1,065	3,652	6,782
1916	D	+7.9%	3,108	2,609	6,288
1912	O	+5.4%	1,270	988	5,199
1908	R	−22.4%	947	1,583	2,843
1904	R	−53.5%	383	1,556	2,191
1900	R	−10.7%	616	771	1,454
1896	D	+15.1%	661	486	1,158
1892	R	−6.6%	369	442	1,112
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Congressional elections · 17 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
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

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.

Age distribution by sex

Median age: 38.0 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

1.0%

1.8%

75–84

2.1%

4.2%

65–74

4.7%

6.1%

55–64

6.0%

6.5%

45–54

6.2%

8.2%

35–44

7.6%

8.5%

25–34

7.9%

3.9%

18–24

3.7%

7.8%

5–17

7.5%

2.9%

2.7%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 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.

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.

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.

Religious adherents

Adherents per capita by tradition

Other Christian

20.7%

Catholic & Orthodox

11.6%

Pentecostal & Holiness

2.8%

Non-Christian

2.3%

Mainline Protestant

2.2%

Baptist

0.8%

Methodist

0.7%

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.

The Democratic margin in Washington 1st Congressional District reached its widest at thirty-eight points in 1936. The margin in 2024 was thirty-four points — still decisive.

Its loyalty is rooted in its place. Median household income of $117,471, a 60% non-Hispanic-white share, and a population of 195,326 together describe a district whose political habits are deeply settled.

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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 33.8 points (D+34), carried by the Democratic candidate. Out of 96,650 votes cast, 62,715 went Democratic and 30,047 went Republican.

What is Congressional District 1, Washington's political archetype?

Akashic classifies Congressional District 1, 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 20 times, Republican 13 times, and other 1 times.

When did Congressional District 1, Washington last vote Republican?

The most recent presidential election in which Congressional District 1, Washington voted Republican was 1984.

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 38 presidential elections in Congressional District 1, Washington from 1876 to 2024. Of those, 20 went Democratic and 13 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Washington 1st Congressional District has voted Democratic in ten straight presidential cycles.

Key facts

U.S. Senate

Demographics

Compare two places, side by side

Frequently asked questions