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CITY

SeaTac

Washington · 34,578 residents (2025 est.) · 10.064 sq mi
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Notable rankings
#259Most foreign-born residentsof 6,82639.9%
The short version

SeaTac has roughly average household income, with a median household income of $81,104. Population has grown 27% since 2000. Median home value has more than tripled since 2000, reaching $519,700.

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
1990 – 2025
Population density
3,221 / sq mi
+27%since 2000
from 2,533 / sq mi in 2000
US average: 281
Median age
36.8
+9%since 2000
from 33.9 in 2000
US average: 38.9

PEP 2025 EST:34,578 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
22K25K28K30K33K1990201020202024SeaTac
202432K
1990201020202024
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%
BARS: THIS PLACE · TICKS: 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%
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
+80%since 2000
from 3.6 in 2000
1990 – 2024
Gentrification Score
73
RELATED:See current rent listings in SeaTac on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic57.5%(14,666)
Black8.9%(2,266)
Hispanic / Latino13%(3,302)
Asian11%(2,804)
Other0%
Diversity Score68.7%(17,519)
2024
White, non-Hispanic27%(8,741)
Black24.4%(7,900)
Hispanic / Latino22.8%(7,384)
Asian17.4%(5,638)
Other8.5%(2,751)
Diversity Score97.3%(31,544)
Diversity Score
97
+42%since 2000
from 69 in 2000
1990 – 2024
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%
Self-employed
10.7%
+3.2 ptssince 2009
from 7.5% in 2009
US average: 13.1%
Management & professional
27.3%
−22.4 ptssince 2009
from 49.7% 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%
−47.3 ptssince 2009
from 52.2% 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%
−64.9 ptssince 2013
from 76.5% in 2013
US average: 8.4%
Broadband at home
91.9%
+6.9 ptssince 2017
from 85.0% in 2017
US average: 91.0%
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%
Drill deeper

Places similar to SeaTac

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Head to head

Compare SeaTac to nearby cities

SEATAC VS
Tukwila
Income$78,381−3%
Home value$489,000−6%
Population22,003−36%
SEE FULL COMPARISON →
SEATAC VS
Burien
Income$91,318+13%
Home value$638,800+23%
Population51,859+50%
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SEATAC VS
Des Moines
Income$92,483+14%
Home value$597,000+15%
Population33,032−4%
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SEATAC VS
Bryn Mawr-Skyway
Income$90,969+12%
Home value$655,200+26%
Population17,638−49%
SEE FULL COMPARISON →
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 →