Akashic
1892–2024
Akashic
Seattle-Tacoma
presidential margin
2008D+25.22012D+23.52016D+25.62020D+29.32024D+28.5
full record · 1892 → 2024
D+28.5
2024
median income$108,368U.S. $80,734 · WA $98,141
median age38.9U.S. 39.1 · WA 38.5
poverty rate9.0%U.S. 12.5% · WA 9.9%
bachelor’s+ (25+)43.4%U.S. 35.6% · WA 39.3%
non-english22.4%U.S. 22.3% · WA 21.5%
race · ethnicity · ancestry
German13.8%
English12.0%
Irish9.7%
Chinese2.8%
Asian Indian2.7%
Filipino1.9%
Mexican8.1%
Puerto Rican0.6%
Spaniard0.4%
African American†2.8%
Ethiopian0.5%
African0.5%
Samoan0.2%
religion
other traditions
Mainline2.8%
Buddhist1.2%
Other Christian0.9%
Black Protestant0.5%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Seattle-Tacoma, Washington

Akashic
Seattle-TacomaHarrisD+28.5
—
2024 presidential margin by county for Seattle-Tacoma, WAA map of the constituent counties of Seattle-Tacoma, 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.Chelan County, WA · R+9.4Clallam County, WA · D+7.8King County, WA · D+51.3Kitsap County, WA · D+20.8Pacific County, WA · R+1.3Pierce County, WA · D+10.7Skagit County, WA · D+8.8Mason County, WA · R+2.5Lewis County, WA · R+32.8Grays Harbor County, WA · R+6.0Snohomish County, WA · D+18.8Thurston County, WA · D+20.3Whatcom County, WA · D+24.7Island County, WA · D+16.5San Juan County, WA · D+51.1Douglas County, WA · R+26.8Jefferson County, WA · D+45.1
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic62.3%1,778,993
Donald TrumpRepublican33.8%964,260
Robert F. Kennedy Jr.We The People3.9%110,837
D+60
R+60
17 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (17 counties) — table
2024 presidential result by county for Seattle-Tacoma, WA — winner and D-vs-R margin.
CountyWinnerMargin
Chelan County, WARepublicanR+9.4
Clallam County, WADemocraticD+7.8
Douglas County, WARepublicanR+26.8
Grays Harbor County, WARepublicanR+6.0
Island County, WADemocraticD+16.5
Jefferson County, WADemocraticD+45.1
King County, WADemocraticD+51.3
Kitsap County, WADemocraticD+20.8
Lewis County, WARepublicanR+32.8
Mason County, WARepublicanR+2.5
Pacific County, WARepublicanR+1.3
Pierce County, WADemocraticD+10.7
San Juan County, WADemocraticD+51.1
Skagit County, WADemocraticD+8.8
Snohomish County, WADemocraticD+18.8
Thurston County, WADemocraticD+20.3
Whatcom County, WADemocraticD+24.7
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
62.3%Harris1,778,993
33.8%Trump964,260
3.9%Kennedy110,837
+28.5%
2,854,090
D
63.0%Biden1,886,301
33.7%Trump1,009,844
3.2%Jorgensen96,997
+29.3%
2,993,142
D
57.6%Clinton1,409,773
32.0%Trump783,192
10.5%Johnson256,223
+25.6%
2,449,188
D
60.2%Obama1,397,340
36.7%Romney852,101
3.1%Johnson72,156
+23.5%
2,321,597
D
61.7%Obama1,383,048
36.5%McCain817,819
1.8%Nader39,788
+25.2%
2,240,655
D
56.8%Kerry1,203,936
41.6%Bush882,659
1.6%Nader34,600
+15.1%
2,121,195
D
53.6%Gore992,259
40.8%Bush755,358
5.6%Nader102,981
+12.8%
1,850,598
D
51.8%Clinton873,075
35.2%Dole593,294
12.9%Perot217,876
+16.6%
1,684,245
D
45.0%Clinton771,765
30.3%Bush519,239
24.8%Perot425,420
+14.7%
1,716,424
D
51.2%Dukakis710,806
47.3%Bush657,110
1.5%Paul21,036
+3.9%
1,388,952
R
44.2%Mondale605,126
54.5%Reagan746,698
1.3%Bergland17,886
−10.3%
1,369,710
R
38.0%Carter477,555
47.8%Reagan600,305
14.2%Anderson179,071
−9.8%
1,256,931
R
46.8%Carter524,790
49.2%Ford551,319
4.0%McCarthy45,229
−2.4%
1,121,338
R
39.1%McGovern411,084
56.7%Nixon595,466
4.2%Schmitz44,150
−17.5%
1,050,700
D
48.8%Humphrey454,150
43.7%Nixon407,159
7.5%Wallace70,019
+5.0%
931,328
D
63.1%Johnson557,855
36.1%Goldwater319,309
0.8%Hass7,359
+27.0%
884,523
R
48.9%Kennedy421,984
49.7%Nixon429,407
1.4%Byrd11,970
−0.9%
863,361
R
45.7%Stevenson359,280
53.4%Eisenhower420,109
0.9%Andrews6,992
−7.7%
786,381
R
45.8%Stevenson347,708
53.0%Eisenhower402,664
1.2%Hallinan8,969
−7.2%
759,341
D
51.8%Truman320,883
42.5%Dewey263,105
5.6%Thurmond34,951
+9.3%
618,939
D
58.5%Roosevelt350,440
40.5%Dewey242,517
1.0%Thomas6,132
+18.0%
599,089
D
59.7%Roosevelt322,302
38.9%Willkie209,794
1.4%Thomas7,542
+20.8%
539,638
D
66.7%Roosevelt314,393
29.8%Landon140,642
3.5%Lemke16,317
+36.9%
471,352
D
57.8%Roosevelt243,153
32.4%Hoover136,383
9.7%Thomas40,787
+25.4%
420,323
R
30.6%Smith102,990
67.4%Hoover226,798
2.0%Thomas6,806
−36.8%
336,594
R
7.9%Davis21,725
52.7%Coolidge144,713
39.4%La Follette108,316
−44.8%
274,754
R
17.7%Cox46,126
54.1%Harding140,565
28.2%Debs73,352
−36.3%
260,043
D
48.3%Wilson116,407
43.1%Hughes103,761
8.6%Benson20,723
+5.2%
240,891
O
24.2%Wilson48,281
23.4%Taft46,567
52.4%Roosevelt104,414
Roosevelt +28.2
199,262
R
31.2%Bryan35,302
57.7%Taft65,281
11.1%Debs12,597
−26.5%
113,180
R
18.0%Parker15,858
70.5%Roosevelt62,065
11.5%Debs10,163
−52.5%
88,086
R
38.7%Bryan24,037
55.9%McKinley34,741
5.4%Woolley3,381
−17.2%
62,159
D
53.6%Bryan28,855
45.3%McKinley24,351
1.1%Palmer595
+8.4%
53,801
R
33.4%Cleveland17,695
41.1%Harrison21,831
25.5%Weaver13,532
−7.8%
53,058
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: +28.5% in 2024.flipped D · 1988+28.5%DR18922024
Presidential margin over time
YearMargin (D minus R)
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
voter registration
Registered voters
Total registered voters, over time
Voter registration in Seattle-TacomaTotal registered voters, 2016–2024. Latest 4,036,586 in 2024.1M2M3M4M4M20162024
Registered voters
Voter registration in Seattle-Tacoma
YearTotal registered
20163,440,051
20183,531,642
20203,819,699
20223,838,645
20244,036,586
Source: U.S. Election Assistance Commission (EAVS)

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 36.9 points in 1936 and a Republican high of 52.5 points in 1904. Between 2020 and 2024 the market moved 0.7 points toward the Republican candidate; the 2024 margin was 28.5 points.

A population of 5,596,124, a 61% non-Hispanic-white share, and a median household income of $108,368 describe the market. The market's voting pattern over the last decade is most similar to that of Portland, OR and San Francisco-Oakland-San Jose.

Political twins — media markets

The media markets whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Portland, OR
94.3twin score
2008–2024 trajectory≠ % Asian
San Francisco-Oakland-San Jose
California
93.7twin score
2024 marginpopulation scaleelasticity≠ 2004 margin
Washington, DC (Hagerstown)
Virginia
91.8twin score
2004–2024 trajectory≠ % Black

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

counties17
Chelan CountyClallam CountyDouglas CountyGrays Harbor CountyIsland CountyJefferson CountyKing CountyKitsap CountyLewis CountyMason CountyPacific CountyPierce CountySan Juan CountySkagit CountySnohomish CountyThurston CountyWhatcom County

Frequently asked questions

How did Seattle-Tacoma, Washington vote in 2024?
In 2024, Seattle-Tacoma, Washington voted Democratic by 28.5 points (D+28.5), carried by the Democratic candidate. Out of 2,854,090 votes cast, 1,778,993 went Democratic and 964,260 went Republican.
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 34 presidential elections in Seattle-Tacoma, Washington from 1892 to 2024. Of those, 19 went Democratic and 14 went Republican.