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CITY

SeaTac

Washington · 34,578 residents (2025 est.) · 10.1 sq mi
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Part of the Seattle metro area
The short version

SeaTac is a city of 32,414 people in Washington. The foreign-born share is 40%. 46% of homes are owner-occupied. There are 3,221 people per square mile. About 26% of adults have finished a four-year degree. Growth has run 27% since 2000, or 6,918 more people.

At a glance
Average income
near the US median
US median: $82,259
Younger
median age 36.8
US median: 38.9
Less educated
26% hold a bachelor's degree
US average: 36%
Less affordable
home values up 94%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
32,414
+27%since 2000
from 25,496 in 2000
34,578 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
3,221 / sq mi
+26%since 2009
from 2,565 / sq mi in 2009
US average: 281
Median age
36.8
+9%since 2000
from 33.9 in 2000
US average: 38.9
Land area
10.1 sq mi
Population, 1990 – 2024
22K25K28K30K33K19902000201020202024SeaTac
202432K
1990201020202024
Age distribution, 2024
Under 56%(1,961)
US avg: 5.6%
5 to 96.8%(2,211)
US avg: 6%
10 to 146.3%(2,057)
US avg: 6.4%
15 to 194.4%(1,423)
US avg: 6.6%
20 to 246.1%(1,979)
US avg: 6.5%
25 to 3417.4%(5,653)
US avg: 13.7%
35 to 4417%(5,520)
US avg: 13.2%
45 to 5411.7%(3,798)
US avg: 12.2%
55 to 6411.3%(3,671)
US avg: 12.7%
65 to 747.7%(2,506)
US avg: 10.2%
75 to 843.8%(1,219)
US avg: 5.1%
85 and over1.3%(416)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$81,104
+8%inflation adjusted, since 2000
from $41,202 in 2000
US average: $82,259
1990 – 2024
Per capita income
$38,330
+94%since 2000
from $19,717 in 2000
US average: $44,673
Households earning $100K+
53.1%
+27.6 ptssince 2009
from 25.5% in 2009
US average: 53.3%
Poverty rate
9.3%
−2.2 ptssince 2000
from 11.5% in 2000
US average: 12.5%
Income inequality (Gini)
0.405
+3%since 2010
from 0.395 in 2010
US average: 0.476
Workforce by industry, 2024
Finance & insurance15.9%
US avg: 5.9%
Professional, scientific, technical15.4%
US avg: 5.1%
Information10.6%
US avg: 10.8%
Wholesale trade8.1%
US avg: 6.9%
Retail trade8%
US avg: 9.9%
Other services7%
US avg: 6.7%
Public administration3.3%
US avg: 4.8%
Transportation & warehousing2.8%
US avg: 2.2%
Arts, entertainment, food2%
US avg: 1.9%
Agriculture, forestry, fishing0.5%
US avg: 1.6%
Construction0.5%
US avg: 1.2%
Education & health services0.5%
US avg: 0.9%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$519,700
+94%inflation adjusted, since 2000
from $147,000 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,660
+39%inflation adjusted, since 2000
from $654 in 2000
US average: $1,442
Owner-occupied
46.5%
−7.9 ptssince 2000
from 54.4% in 2000
53.5% rent
Vacancy rate
5.8%
−6.3 ptssince 2009
from 12.1% in 2009
US average: 10.0%
Persons per household
2.60 people
+2%since 2009
from 2.56 people in 2009
US average: 2.54
Owner cost-burdened
27.1%
−7.7 ptssince 2009
from 34.8% in 2009
US average: 22.9%
Renter cost-burdened
63.7%
+11.2 ptssince 2009
from 52.5% in 2009
US average: 47.4%
Afford Score
6.4
+10%since 2009
from 5.8 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
73
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic57.5%(14,666)
Black8.9%(2,266)
Hispanic / Latino13%(3,302)
Asian11%(2,804)
Other0%
2024
White, non-Hispanic27%(8,741)
Black24.4%(7,900)
Hispanic / Latino22.8%(7,384)
Asian17.4%(5,638)
Other8.5%(2,751)
Diversity Score
97
+10%since 2009
from 88 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican13.4%(4,328)
Central American6.3%(2,044)
Salvadoran3.2%(1,035)
Guatemalan1.7%(552)
Puerto Rican1.4%(466)
Honduran1.1%(371)
Colombian0.5%(157)
Nicaraguan0.3%(86)
Uruguayan0.1%(38)
Spaniard0.1%(24)
Ecuadorian0.1%(20)
+ 1 more hispanic origin group with data
Chilean0%(2)
Asian origin
Vietnamese2.6%(857)
Filipino2.6%(834)
Asian Indian2.3%(739)
Cambodian2.2%(715)
Burmese2.1%(677)
Chinese1.3%(428)
Thai1%(336)
Korean1%(330)
Japanese0.6%(181)
Mongolian0.1%(47)
Kazakh0.1%(26)
Pacific Islander origin
Samoan1.3%(429)
Fijian0.5%(176)
Tongan0.2%(78)
Chuukese0%(15)
Chamorro0%(13)
Ancestry
Subsaharan African16.3%(5,289)
Ethiopian10.2%(3,298)
German7.5%(2,435)
Irish4.9%(1,579)
English4.4%(1,416)
French2.8%(898)
American2.5%(805)
Somali2.3%(751)
Norwegian2.1%(675)
West Indian1.6%(508)
Italian1.4%(443)
Haitian1.2%(392)
+ 33 more ancestry groups with data
Swedish1.2%(390)
Finnish0.9%(288)
Scotch-Irish0.8%(268)
Ghanaian0.7%(225)
Dutch0.5%(168)
Russian0.5%(166)
Jamaican0.4%(116)
British0.3%(109)
Scottish0.3%(105)
Polish0.3%(103)
Croatian0.3%(98)
Kenyan0.3%(95)
Danish0.2%(81)
Welsh0.2%(80)
Canadian0.2%(78)
Ukrainian0.2%(50)
Iranian0.1%(46)
Guyanese0.1%(45)
Nigerian0.1%(40)
Armenian0.1%(35)
Arab0.1%(28)
Swiss0.1%(26)
Czech0.1%(25)
Serbian0.1%(22)
Lithuanian0.1%(18)
Belgian0%(14)
Slovene0%(10)
Greek0%(5)
Section 05

Education

Bachelor's degree or higher
26.4%
+11.1 ptssince 2000
from 15.3% in 2000
US average: 35.6%
High school or higher
83.9%
+2.5 ptssince 2000
from 81.4% in 2000
US average: 89.6%
Graduate degree
6.7%
+2.7 ptssince 2000
from 3.9% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
25.4 min
+53%since 2000
from 16.6 min in 2000
US average: 26.5
Drive alone to work
58.5%
−7.7 ptssince 2009
from 66.1% in 2009
US average: 68.9%
Carpooled to work
16.6%
−1.5 ptssince 2009
from 18.1% in 2009
US average: 8.5%
Public transit
6.5%
−3.8 ptssince 2009
from 10.3% in 2009
US average: 3.2%
Worked from home
11.5%
+9.7 ptssince 2009
from 1.8% in 2009
US average: 15.0%
Walked to work
5.2%
+3.5 ptssince 2009
from 1.6% in 2009
US average: 2.4%
Biked to work
0.0%
−0.5 ptssince 2009
from 0.5% in 2009
US average: 0.4%
No vehicle available
10.6%
+1.3 ptssince 2009
from 9.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
7.0%
−1.4 ptssince 2011
from 8.3% in 2011
US average: 5.2%
Labor force participation
69.1%
+4.2 ptssince 2011
from 64.9% in 2011
US average: 63.5%
Women 20-64 in the labor force
76.3%
+0.6 ptssince 2020
from 75.7% in 2020
US average: 74.6%
Self-employed
10.7%
+3.2 ptssince 2009
from 7.5% in 2009
US average: 13.1%
Management & professional
27.3%
+10.6 ptssince 2009
from 16.8% in 2009
US average: 42.5%
Section 08

People & community

Male
55.2%
+2.7 ptssince 2009
from 52.5% in 2009
Female
44.8%
−2.7 ptssince 2009
from 47.5% in 2009
Foreign born
39.9%
+8.4 ptssince 2009
from 31.5% in 2009
US average: 14.1%
Veterans
4.9%
−4.1 ptssince 2009
from 9.0% in 2009
US average: 6.2%
With a disability
13.4%
+2.1 ptssince 2012
from 11.3% in 2012
US average: 13.3%
Uninsured
11.6%
−11.9 ptssince 2013
from 23.5% in 2013
US average: 8.4%
Broadband at home
91.9%
+6.9 ptssince 2017
from 85.0% in 2017
US average: 91.0%
Computer in household
97.3%
+2.8 ptssince 2020
from 94.5% in 2020
US average: 95.5%
Same house as last year
80.5%
−1.9 ptssince 2020
from 82.4% in 2020
US average: 87.7%
English only at home
49.5%
−2.2 ptssince 2016
from 51.6% in 2016
US average: 77.7%
Spanish at home
16.9%
+2.4 ptssince 2016
from 14.6% in 2016
US average: 13.6%
Marital status
Men 15+
Never married43%(6,319)
Married46.8%(6,874)
Widowed2.1%(305)
Divorced8.1%(1,188)
Women 15+
Never married28.3%(3,257)
Married52.3%(6,019)
Widowed6.2%(715)
Divorced13.1%(1,508)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
11.6%
−11.9 ptssince 2013
from 23.5% in 2013
US average: 8.4%
Employer-based
44.7%
−3.6 ptssince 2020
from 48.3% in 2020
US average: 54.8%
Direct-purchase
12.1%
+3.5 ptssince 2020
from 8.6% in 2020
US average: 13.8%
Medicare
13.4%
+1.7 ptssince 2020
from 11.7% in 2020
US average: 18.4%
Medicaid
31.7%
−1.3 ptssince 2020
from 33.0% in 2020
US average: 20.9%
VA health care
1.4%
+0.3 ptssince 2020
from 1.1% in 2020
US average: 2.2%
Any private
55.4%
−0.5 ptssince 2020
from 55.9% in 2020
US average: 67.1%
Any public
42.9%
−0.1 ptssince 2020
from 43.0% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)13.9%(172)
US avg: 26.4%
Gulf War (1990s)17.3%(214)
US avg: 24.3%
Vietnam era34.6%(429)
US avg: 33.1%
Korean War0.1%(1)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 1,240 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Pop 36,725
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Pop 32,105
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Pop 31,343
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Head to head

Compare SeaTac to nearby cities

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SEATAC VS
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SEATAC VS
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SEATAC VS
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Home value$655,200+26%
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Frequently asked

How many people live in SeaTac, Washington?

SeaTac, Washington has about 32,414 residents according to the 2024 American Community Survey.

What is the median household income in SeaTac, Washington?

The typical household in SeaTac, Washington earns about $81,104 a year. Half of households make more than that, and half make less.

Is SeaTac, Washington expensive?

In SeaTac, Washington, the median home is worth about $519,700, and the typical rent is about $1,660 a month.

How educated are people in SeaTac, Washington?

About 26.4% of adults age 25 and over in SeaTac, Washington hold a bachelor's degree or higher.

What is the poverty rate in SeaTac, Washington?

About 9.3% of people in SeaTac, Washington live below the federal poverty line.

Has SeaTac, Washington grown since 1990?

Yes, SeaTac, Washington has grown since 1990. The population has added about 9,720 residents, a change of about 43 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →