† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
3 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupSeattle-Tacoma-Bellevue, WAWashingtonUnited States
German13.0%14.5%12.5%
English11.2%12.1%9.5%
Irish9.1%9.8%9.4%
Norwegian4.0%4.0%—
Italian3.3%3.1%4.8%
American2.9%3.8%5.3%
Scottish2.5%2.6%1.3%
Swedish2.5%1.8%—
Chinese3.7%2.2%1.3%
Asian Indian3.6%2.0%1.4%
Filipino2.1%1.5%0.9%
Vietnamese1.8%1.1%0.6%
Korean1.5%0.9%0.4%
Japanese0.7%0.4%0.2%
Cambodian0.5%0.3%—
Taiwanese0.2%——
Mexican7.7%10.8%11.3%
Puerto Rican0.6%0.5%1.8%
Salvadoran0.5%0.4%0.7%
Spaniard0.4%0.4%—
Colombian0.3%0.2%0.4%
Spanish0.3%0.3%—
Guatemalan0.2%0.2%0.5%
Honduran0.2%—0.3%
African American†3.5%2.3%9.9%
Ethiopian0.7%0.3%—
African0.6%0.4%0.5%
Somali0.3%0.2%—
Nigerian0.2%—0.2%
Kenyan0.2%——
Samoan0.3%0.2%—
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Seattle-Tacoma-Bellevue, WA
Washington
United States
Median age
37.6
38.5
39.1
Age 18–24
8.1%
8.5%
9.2%
Age 65 and older
14.4%
16.7%
17.2%
Household economy
Measure
Seattle-Tacoma-Bellevue, WA
Washington
United States
Median household income
$116,172
$98,141
$84,427
Poverty rate
8.5%
9.9%
12.5%
Bachelor's degree or higher (25+)
46.9%
39.3%
35.6%
Languages at home
Measure
Seattle-Tacoma-Bellevue, WA
Washington
United States
Speaks a non-English language at home
26.3%
21.5%
22.3%
Spanish
7.0%
9.1%
13.6%
Other Indo-European
3.3%
2.1%
2.0%
Chinese (incl. Mandarin & Cantonese)
3.3%
1.9%
1.1%
Other Asian & Pacific Island
3.3%
2.1%
1.1%
Religious landscape
Measure
Seattle-Tacoma-Bellevue, WA
Washington
United States
Catholic
11.0%
10.7%
18.6%
Evangelical Protestant
19.5%
20.5%
16.5%
Unclaimed / not counted
58.9%
58.8%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Seattle-Tacoma-Bellevue, WA
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−6.7%
1896
+11.0%
1900
−15.6%
1904
−53.1%
1908
−24.0%
1912
+4.7%
1916
+9.9%
1920
−36.9%
1924
−44.1%
1928
−34.2%
1932
+26.4%
1936
+37.7%
1940
+23.3%
1944
+19.3%
1948
+8.7%
1952
−6.2%
1956
−7.7%
1960
−0.5%
1964
+24.9%
1968
+4.9%
1972
−17.1%
1976
−3.3%
1980
−8.5%
1984
−9.2%
1988
+5.8%
1992
+17.9%
1996
+20.3%
2000
+18.5%
2004
+20.5%
2008
+31.1%
2012
+29.5%
2016
+33.5%
2020
+36.9%
2024
+35.5%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
D
65.8%Harris1,307,874
30.3%Trump601,758
1.2%Kennedy24,691 +8
D+35.5
R+1.4
D+37.0
1,988,304
All 11 candidates in 2024 · 9 minor / independent
Kamala D HarrisDemocratic65.8%1,307,874
Donald J TrumpRepublican30.3%601,758
Robert F KennedyIndependent1.2%24,691
Jill SteinIndependent1.0%19,523
OtherAll other candidates0.7%13,434
Chase OliverLibertarian0.4%8,393
Claudia De La CruzIndependent0.3%5,402
Cornel WestIndependent0.2%4,612
Shiva AyyaduraiIndependent0.1%1,594
Joseph KishoreIndependent0.0%541
Rachele FruitIndependent0.0%482
D
66.9%Biden1,413,544
30.0%Trump633,325
3.1%
D+36.9
D+3.4
D+32.5
2,113,384
D
61.7%Clinton1,076,087
28.2%Trump491,418
10.1%
D+33.5
D+4.1
D+31.4
1,743,201
D
63.3%Obama1,042,950
33.8%Romney557,183
3.0%
D+29.5
R+1.7
D+25.6
1,648,921
D
64.7%Obama1,017,348
33.6%McCain528,111
1.7%
D+31.1
D+10.6
D+23.9
1,571,885
D
59.5%Kerry895,077
39.0%Bush586,143
1.5%
D+20.5
D+2.0
D+23.0
1,503,935
D
56.6%Gore744,561
38.1%Bush501,217
5.2%
D+18.5
R+1.8
D+18.0
1,314,450
D
53.9%Clinton648,363
33.6%Dole403,991
12.4%
D+20.3
D+2.5
D+11.8
1,201,847
D
46.7%Clinton581,936
28.9%Bush359,533
24.4%
D+17.9
D+12.1
D+12.3
1,245,172
D
52.2%Dukakis527,045
46.4%Bush468,899
1.4%
D+5.8
D+15.0
D+13.5
1,010,595
R
44.8%Mondale444,846
54.0%Reagan536,226
1.2%
R+9.2
R+0.7
D+9.0
993,364
R
38.5%Carter351,493
47.0%Reagan428,967
14.5%
R+8.5
R+5.2
D+1.2
912,575
R
46.4%Carter382,604
49.6%Ford409,425
4.0%
R+3.3
D+13.9
R+5.3
824,755
R
39.5%McGovern308,913
56.6%Nixon443,004
3.9%
R+17.1
R+22.0
D+6.0
782,580
D
48.7%Humphrey340,158
43.9%Nixon306,145
7.4%
D+4.9
R+20.1
D+5.6
698,077
D
62.0%Johnson407,795
37.0%Goldwater243,664
1.0%
D+24.9
D+25.4
D+2.4
658,018
R
48.9%Kennedy311,841
49.4%Nixon315,069
1.7%
R+0.5
D+7.2
R+0.7
637,448
R
45.6%Stevenson257,121
53.3%Eisenhower300,634
1.1%
R+7.7
R+1.5
D+7.7
564,094
R
46.2%Stevenson250,233
52.4%Eisenhower283,771
1.4%
R+6.2
R+14.9
D+4.6
541,383
D
51.3%Truman219,893
42.6%Dewey182,453
6.1%
D+8.7
R+10.6
D+4.3
428,681
D
59.1%Roosevelt245,922
39.8%Dewey165,527
1.1%
D+19.3
R+4.0
D+11.8
416,104
D
60.9%Roosevelt220,989
37.6%Willkie136,330
1.5%
D+23.3
R+14.3
D+13.4
362,699
D
67.4%Roosevelt212,666
29.7%Landon93,757
2.9%
D+37.7
D+11.3
D+13.4
315,505
D
59.1%Roosevelt165,541
32.7%Hoover91,662
8.2%
D+26.4
D+60.6
D+8.6
280,321
R
31.7%Smith71,425
65.9%Hoover148,527
2.4%
R+34.2
D+9.9
R+16.8
225,331
R
7.4%Davis13,184
51.5%Coolidge92,298
41.1%
R+44.1
R+7.3
R+19.0
179,231
R
16.9%Cox28,684
53.7%Harding91,425
29.4%
R+36.9
R+46.8
R+10.7
170,182
D
51.5%Wilson79,692
41.6%Hughes64,364
6.9%
D+9.9
D+5.3
D+6.8
154,685
O
25.2%Wilson30,789
20.6%Taft25,103
54.2%
Roosevelt +29.0
D+28.6
R+14.9
122,148
R
33.1%Bryan22,554
57.1%Taft38,891
9.8%
R+24.0
D+29.1
R+14.4
68,138
R
17.6%Parker9,022
70.7%Roosevelt36,232
11.7%
R+53.1
R+37.5
R+33.4
51,269
R
39.8%Bryan13,984
55.3%McKinley19,448
4.9%
R+15.6
R+26.5
R+8.0
35,137
D
55.0%Bryan16,161
44.0%McKinley12,935
1.0%
D+11.0
D+17.6
D+17.1
29,382
R
33.6%Cleveland9,985
40.3%Harrison11,962
26.1%
R+6.7
—
R+8.3
29,687
Congressional elections · 3 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
D
67.2%1,303,092
32.5%630,315
1,938,696
2022
D
66.6%1,028,286
33.2%511,977
1,544,029
2018
D
66.6%1,066,969
33.4%535,997
1,602,966
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Seattle-Tacoma-Bellevue, WA
Year
Total registered
2016
2,451,581
2018
2,509,289
2020
2,706,689
2022
2,706,561
2024
2,840,530
domestic migration
Who moves in and out
Net domestic migration over time
−8,422 net domestic migration · 2025
20112025
Net +33,750 over 2011–2025 · gain loss
Domestic migration in Seattle-Tacoma-Bellevue, WA in Seattle-Tacoma-Bellevue, WA: net domestic migration by year
Year
Net domestic migration
2011
+16,276
2012
+14,629
2013
+15,206
2014
+15,147
2015
+15,599
2016
+30,647
2017
+20,860
2018
+8,614
2019
+3,801
2021
−36,942
2022
−23,229
2023
−26,640
2024
−11,796
2025
−8,422
Home to Amazon and Boeing's historic base, the Seattle-Tacoma-Bellevue metro delivers presidential margins exceeding 40 points Democratic, yet inner suburbs like Bellevue diverge sharply from Tacoma's blue-collar Democratic coalition.
Across the recorded series it reached a Democratic high of 37.7 points in 1936 and a Republican high of 53.1 points in 1904. Between 2020 and 2024 the metro moved 1.4 points toward the Republican candidate; the 2024 margin was 35.5 points.
A population of 4,061,920, a 57% non-Hispanic-white share, and a median household income of $116,172 describe the metro. The metro's voting pattern over the last decade is most similar to that of San Francisco-Oakland-Fremont, CA and Portland-Vancouver-Hillsboro, OR-WA.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Seattle-Tacoma-Bellevue, WA, Washington. Akashic. https://akashic.app/cbsa/42660/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Seattle-Tacoma-Bellevue, WA, Washington vote in 2024?
In 2024, Seattle-Tacoma-Bellevue, WA, Washington voted Democratic by 35.5 points (D+35.5), carried by the Democratic candidate. Out of 1,988,304 votes cast, 1,307,874 went Democratic and 601,758 went Republican.
When did Seattle-Tacoma-Bellevue, WA, Washington last vote Republican?
The most recent presidential election in which Seattle-Tacoma-Bellevue, WA, Washington voted Republican was 1984.
How many people live in Seattle-Tacoma-Bellevue, WA, Washington?
Seattle-Tacoma-Bellevue, WA, Washington has a population of 4,061,920 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Seattle-Tacoma-Bellevue, WA, Washington?
Median household income in Seattle-Tacoma-Bellevue, WA, Washington is $116,172 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of Seattle-Tacoma-Bellevue, WA, Washington?
Akashic tracks 34 presidential elections in Seattle-Tacoma-Bellevue, WA, Washington from 1892 to 2024. Of those, 19 went Democratic and 14 went Republican.
