Seattle-Tacoma Media Market — Elections 1876–2024

Seattle-Tacoma, Washington: Diversifying Metro market. In 2024, voted D+29%. Republican peak: R+52 in 1904.

Key facts

2024 presidential margin: D+29MIT Election Lab
Political typology: Diversifying MetroAkashic typology
Population: 5,596,1242024 5-year
Median household income: $108,3682024 5-year
White (non-Hispanic): 63.4%2024 5-year
Black: 4.9%2024 5-year
Hispanic / Latino: 11.9%2024 5-year
Peak Democratic margin: D+37 in 1936MIT Election Lab
Peak Republican margin: R+52 in 1904MIT Election Lab

2024 presidential election

Seattle-Tacoma

HarrisD+29

—

How it voted

Share of the 2024 vote

Kamala Harris ✓Democratic	62.3%	1,778,993
Donald TrumpRepublican	33.8%	964,260
OtherAll other candidates	3.9%	110,837

D+60

R+60

17 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.

presidential history

Presidential margin, 1876–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1876	No data
1880	No data
1884	No data
1888	No data
1892	−7.8%
1896	+8.4%
1900	−17.2%
1904	−52.5%
1908	−26.5%
1912	+0.9%
1916	+5.2%
1920	−36.3%
1924	−44.8%
1928	−36.8%
1932	+25.4%
1936	+36.9%
1940	+20.8%
1944	+18.0%
1948	+9.3%
1952	−7.2%
1956	−7.7%
1960	−0.9%
1964	+27.0%
1968	+5.0%
1972	−17.5%
1976	−2.4%
1980	−9.8%
1984	−10.3%
1988	+3.9%
1992	+14.7%
1996	+16.6%
2000	+12.8%
2004	+15.1%
2008	+25.2%
2012	+23.5%
2016	+25.6%
2020	+29.3%
2024	+28.5%

DemocraticRepublican

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+28.5%	1,778,993	964,260	2,854,090
2020	D	+29.3%	1,886,301	1,009,844	2,993,142
2016	D	+25.6%	1,409,773	783,192	2,449,188
2012	D	+23.5%	1,397,340	852,101	2,321,597
2008	D	+25.2%	1,383,048	817,819	2,240,655
2004	D	+15.1%	1,203,936	882,659	2,121,195
2000	D	+12.8%	992,259	755,358	1,850,598
1996	D	+16.6%	873,075	593,294	1,684,245
1992	D	+14.7%	771,765	519,239	1,716,424
1988	D	+3.9%	710,806	657,110	1,388,952
1984	R	−10.3%	605,126	746,698	1,369,710
1980	R	−9.8%	477,555	600,305	1,256,931
1976	R	−2.4%	524,790	551,319	1,121,338
1972	R	−17.5%	411,084	595,466	1,050,700
1968	D	+5.0%	454,150	407,159	931,328
1964	D	+27.0%	557,855	319,309	884,523
1960	R	−0.9%	421,984	429,407	863,361
1956	R	−7.7%	359,280	420,109	786,381
1952	R	−7.2%	347,708	402,664	759,341
1948	D	+9.3%	320,883	263,105	618,939
1944	D	+18.0%	350,440	242,517	599,089
1940	D	+20.8%	322,302	209,794	539,638
1936	D	+36.9%	314,393	140,642	471,352
1932	D	+25.4%	243,153	136,383	420,323
1928	R	−36.8%	102,990	226,798	336,594
1924	R	−44.8%	21,725	144,713	274,754
1920	R	−36.3%	46,126	140,565	260,043
1916	D	+5.2%	116,407	103,761	240,891
1912	O	+0.9%	48,281	46,567	199,262
1908	R	−26.5%	35,302	65,281	113,180
1904	R	−52.5%	15,858	62,065	88,086
1900	R	−17.2%	24,037	34,741	62,159
1896	D	+8.4%	28,855	24,351	53,801
1892	R	−7.8%	17,695	21,831	53,058
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

2024 ACS

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

13.8%

English

12.0%

Irish

9.7%

American

3.3%

Italian

3.3%

Scottish

2.7%

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: 38.9 in this county, 39.1 nationally

Male

Age

Female

0.6%

85+

1.1%

2.1%

75–84

2.6%

4.7%

65–74

5.3%

6.0%

55–64

6.1%

6.2%

45–54

6.0%

7.7%

35–44

7.2%

8.2%

25–34

7.6%

4.2%

18–24

3.9%

7.7%

5–17

7.4%

2.8%

2.6%

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

2024 ACS

Median household income

Inflation-adjusted dollars

$108,368

Seattle-Tacoma ranks near the middle of US counties.

Seattle-Tacoma$108,368

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

9.0%

Child poverty is below the national average.

Children under 1810.5%

Working age (18–64)8.7%

Seniors (65+)9.6%

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

2024 ACS

Language at home

Population aged 5 and older

77.6%

speak English only

Asian & Pacific Islander8.4%

Spanish7.1%

Other Indo-European5.1%

Other languages1.8%

Source · ACS 5-year estimates, 2024.

2020 religion census

Religious adherents

Adherents per capita by tradition

Other Christian

19.9%

Catholic & Orthodox

10.8%

Pentecostal & Holiness

3.3%

Mainline Protestant

2.6%

Non-Christian

2.5%

Baptist

1.0%

Methodist

0.8%

Source · 2020 US Religion Census. Remaining 59.2% of residents not counted as adherents by any reporting body.

King County's presidential margins have widened steadily since 2000 as the Seattle metro absorbed waves of highly educated in-migrants, while Pierce County to the south continues to post noticeably closer results, anchoring competitive state legislative districts.

Across the recorded series it reached a Democratic high of thirty-seven points in 1936 and a Republican high of fifty-two points in 1904. Between 2020 and 2024 the market moved one point toward the Republican candidate; the 2024 margin was twenty-nine points.

A population of 5,596,124, a 63% non-Hispanic-white share, and a median household income of $108,368 describe the market.

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.

Seattle-Tacoma, Washington. Akashic. https://akashic.app/dma/819/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Seattle-Tacoma, Washington vote in 2024?

In 2024, Seattle-Tacoma, Washington voted Democratic by 28.5 points (D+29), carried by the Democratic candidate. Out of 2,854,090 votes cast, 1,778,993 went Democratic and 964,260 went Republican.

What is Seattle-Tacoma, Washington's political typology?

Akashic places Seattle-Tacoma, 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 38 elections in the dataset, the market has voted Democratic 19 times, Republican 14 times, and other 1 times.

When did Seattle-Tacoma, Washington last vote Republican?

The most recent presidential election in which Seattle-Tacoma, Washington voted Republican was 1984.

How many people live in Seattle-Tacoma, Washington?

Seattle-Tacoma, Washington has a population of 5,596,124 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Seattle-Tacoma, Washington?

Median household income in Seattle-Tacoma, Washington is $108,368 — above the national median of $80,734. The Washington state median is $98,141.

What is the political history of Seattle-Tacoma, Washington?

Akashic tracks 38 presidential elections in Seattle-Tacoma, Washington from 1876 to 2024. Of those, 19 went Democratic and 14 went Republican. The market's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.

King County, WA	D +45,737
Kitsap County, WA	D +11,367
Whatcom County, WA	D +8,711

Seattle-Tacoma has voted Democratic in ten straight presidential elections — D+29 in 2024.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions