Seattle-Tacoma, Washington: Urban anchor market. In 2024, voted D+29%. Republican peak: R+52 in 1904.
Key facts
- 2024 presidential margin
- D+29MIT Election Lab
- Political archetype
- Urban anchorAkashic 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
Constituent county margins for Seattle-Tacoma, WAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 1,778,993 | 964,260 | 2,854,090 | ||
| D | 1,886,301 | 1,009,844 | 2,993,142 | ||
| D | 1,409,773 | 783,192 | 2,449,188 | ||
| D | 1,397,340 | 852,101 | 2,321,597 | ||
| D | 1,383,048 | 817,819 | 2,240,655 | ||
| D | 1,203,936 | 882,659 | 2,121,195 | ||
| D | 992,259 | 755,358 | 1,850,598 | ||
| D | 873,075 | 593,294 | 1,684,245 | ||
| D | 771,765 | 519,239 | 1,716,424 | ||
| D | 710,806 | 657,110 | 1,388,952 | ||
| R | 605,126 | 746,698 | 1,369,710 | ||
| R | 477,555 | 600,305 | 1,256,931 | ||
| R | 524,790 | 551,319 | 1,121,338 | ||
| R | 411,084 | 595,466 | 1,050,700 | ||
| D | 454,150 | 407,159 | 931,328 | ||
| D | 557,855 | 319,309 | 884,523 | ||
| R | 421,984 | 429,407 | 863,361 | ||
| R | 359,280 | 420,109 | 786,381 | ||
| R | 347,708 | 402,664 | 759,341 | ||
| D | 320,883 | 263,105 | 618,939 | ||
| D | 350,440 | 242,517 | 599,089 | ||
| D | 322,302 | 209,794 | 539,638 | ||
| D | 314,393 | 140,642 | 471,352 | ||
| D | 243,153 | 136,383 | 420,323 | ||
| R | 102,990 | 226,798 | 336,594 | ||
| R | 21,725 | 144,713 | 274,754 | ||
| R | 46,126 | 140,565 | 260,043 | ||
| D | 116,407 | 103,761 | 240,891 | ||
| O | 48,281 | 46,567 | 199,262 | ||
| R | 35,302 | 65,281 | 113,180 | ||
| R | 15,858 | 62,065 | 88,086 | ||
| R | 24,037 | 34,741 | 62,159 | ||
| D | 28,855 | 24,351 | 53,801 | ||
| R | 17,695 | 21,831 | 53,058 | ||
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Demographics
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.
Age distribution by sex
Median age: 38.9 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 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.
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.
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.
Religious adherents
Adherents per capita by tradition
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.
The Democratic margin in Seattle-Tacoma has been steady. It reached its modern peak at thirty-seven points in 1936; the 2024 margin was twenty-nine points, still in line with the market's long pattern.
Its political identity is inseparable from its demographic profile: a 63% non-Hispanic-white share, a median household income of $108,368, and the full diversity of a major metropolitan center.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Seattle-Tacoma, Washington — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.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 archetype?
Akashic classifies Seattle-Tacoma, Washington as a "Urban anchor" market based on its long-arc presidential voting pattern. 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 archetype — "Urban anchor" — captures the overall trajectory of that voting record.