akashic
1876–2024
Seattle-Tacoma, WA·Washington

Seattle-Tacoma, WA has voted Democratic in ten straight presidential elections — D+30.7 in 2024.

2008 — 2024·5 elections
WA
2024 presidential election
Seattle-Tacoma, WA
HarrisD+30.7
2024 presidential margin by county for Seattle-Tacoma, WA, WAA map of the constituent counties of Seattle-Tacoma, WA, WA, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Lewis County, WA · R+32.8Skagit County, WA · D+8.8Thurston County, WA · D+20.3Snohomish County, WA · D+18.8Pierce County, WA · D+10.7Mason County, WA · R+2.5Kitsap County, WA · D+20.8Island County, WA · D+16.5King County, WA · D+51.3
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic63.4%1,593,467
Donald TrumpRepublican32.7%822,301
OtherAll other candidates3.9%98,677
D+60
R+60
9 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 timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: +30.7% in 2024.flipped D · 1988+30.7%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892−7.3%
1896+10.4%
1900−15.9%
1904−52.2%
1908−25.3%
1912+2.5%
1916+8.1%
1920−36.4%
1924−43.9%
1928−35.2%
1932+26.8%
1936+37.5%
1940+22.6%
1944+18.9%
1948+9.4%
1952−6.6%
1956−8.0%
1960−1.0%
1964+26.1%
1968+5.1%
1972−17.8%
1976−2.7%
1980−9.9%
1984−10.4%
1988+3.9%
1992+15.7%
1996+18.1%
2000+15.0%
2004+16.8%
2008+27.0%
2012+25.4%
2016+28.0%
2020+31.5%
2024+30.7%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+30.7%
1,593,467822,3012,514,445
D
+31.5%
1,699,683863,7742,650,150
D
+28.0%
1,277,338667,9302,172,696
D
+25.4%
1,261,858737,2052,061,640
D
+27.0%
1,242,639706,7651,983,987
D
+16.8%
1,085,490768,6651,884,095
D
+15.0%
901,307654,9611,645,430
D
+18.1%
788,923518,3011,498,590
D
+15.7%
696,048455,5221,532,999
D
+3.9%
634,777586,3341,239,711
R
−10.4%
536,805663,4131,215,645
R
−9.9%
421,818531,5831,113,362
R
−2.7%
463,215490,104992,960
R
−17.8%
363,755529,783932,031
D
+5.1%
403,410361,014826,243
D
+26.1%
488,151284,381779,355
R
−1.0%
369,190376,928757,052
R
−8.0%
309,465364,033680,024
R
−6.6%
301,566345,012654,745
D
+9.4%
272,673223,385526,489
D
+18.9%
301,802204,815512,003
D
+22.6%
270,109169,489445,967
D
+37.5%
259,759114,665387,158
D
+26.8%
202,398110,059344,262
R
−35.2%
86,093183,095275,272
R
−43.9%
17,153115,155223,074
R
−36.4%
36,121113,673212,763
D
+8.1%
96,71781,121192,887
O
+2.5%
38,47934,634156,935
R
−25.3%
27,73949,74786,943
R
−52.2%
12,18447,32367,297
R
−15.9%
18,63126,12447,129
D
+10.4%
22,43918,18041,060
R
−7.3%
13,58516,55240,845
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Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorSeattle-Tacoma, WACombined statistical areaWashingtonStateUnited StatesNation
Race & Ethnicity
White61.9%65.8%61.0%
Black5.4%4.0%12.2%
Asian13.8%9.8%6.0%
Two or more races12.4%12.7%12.6%
Other race6.5%7.7%8.2%
Hispanic or Latino11.6%14.4%19.3%
Income & Age
Median household income$112,036$98,141$84,427
Poverty rate8.7%9.9%12.5%
Median age38.338.539.1
Age 18–248.0%8.5%9.2%
Age 65 and older15.6%16.7%17.2%
Education & Language
Speaks a non-English language at home23.4%21.5%22.3%
Ancestry
Largest ancestryGerman 13.6%German 14.5%German 12.5%
2nd-largest ancestryEnglish 11.7%English 12.1%English 9.5%
3rd-largest ancestryIrish 9.6%Irish 9.8%Irish 9.4%
Religion
Catholic10.7%10.7%18.6%
Evangelical Protestant20.1%20.5%16.5%
Unaffiliated or unclaimed59.0%58.8%51.5%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
13.6%
English
11.7%
Irish
9.6%
Italian
3.3%
American
3.2%
Scottish
2.6%
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: 38.3 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
1.1%
2.0%
75–84
2.4%
4.5%
65–74
5.0%
6.0%
55–64
6.0%
6.3%
45–54
6.0%
7.8%
35–44
7.3%
8.5%
25–34
7.8%
4.2%
18–24
3.8%
7.8%
5–17
7.4%
2.8%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$112,036
Seattle-Tacoma, WA ranks near the middle of US counties.
Seattle-Tacoma, WA$112,036
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
8.7%
Child poverty is below the national average.
Children under 1810.1%
Working age (18–64)8.3%
Seniors (65+)9.6%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
76.6%
speak English only
Asian & Pacific Islander9.2%
Spanish6.8%
Other Indo-European5.4%
Other languages2.0%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Evangelical Protestant
20.1%
Catholic
10.7%
Latter-day Saints
2.8%
Mainline Protestant
2.8%
Buddhist
1.3%
Other Christian
0.9%
Black Protestant
0.5%
Muslim
0.5%
Orthodox Christian
0.5%
Jewish
0.3%
Hindu
0.3%
Other faiths
0.2%
Unaffiliated or not counted59.0%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Seattle-Tacoma, WA sits in the Pacific Northwest. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of 37.5 points in 1936 and a Republican high of 52.2 points in 1904. Between 2020 and 2024 the region moved 0.9 points toward the Republican candidate; the 2024 margin was 30.7 points.

A population of 5,010,168, a 62% non-Hispanic-white share, and a median household income of $112,036 describe the region.

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, WA, Washington. Akashic. https://akashic.app/csa/500/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Seattle-Tacoma, WA, Washington vote in 2024?
In 2024, Seattle-Tacoma, WA, Washington voted Democratic by 30.7 points (D+30.7), carried by the Democratic candidate. Out of 2,514,445 votes cast, 1,593,467 went Democratic and 822,301 went Republican.
What is Seattle-Tacoma, WA, Washington's political typology?
Akashic places Seattle-Tacoma, WA, Washington in the "" 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 region has voted Democratic 19 times, Republican 14 times, and other 1 times.
When did Seattle-Tacoma, WA, Washington last vote Republican?
The most recent presidential election in which Seattle-Tacoma, WA, Washington voted Republican was 1984.
How many people live in Seattle-Tacoma, WA, Washington?
Seattle-Tacoma, WA, Washington has a population of 5,010,168 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Seattle-Tacoma, WA, Washington?
Median household income in Seattle-Tacoma, WA, Washington is $112,036 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of Seattle-Tacoma, WA, Washington?
Akashic tracks 38 presidential elections in Seattle-Tacoma, WA, Washington from 1876 to 2024. Of those, 19 went Democratic and 14 went Republican. The region's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.