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CITY · 2020 ACS

SeaTac

Washington · 31,454 residents · 10.064 sq mi
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The short version

SeaTac has roughly average household income, with a median household income of $66,131. Population has grown 23% since 2000. Median home value has more than doubled since 2000, reaching $338,000.

At a glance
Average income
near the US median
US median: $66,278
Younger
median age 36.9
US median: 38.8
Less educated
22% hold a bachelor's degree
US average: 33%
Less affordable
home values up 53%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
31,454
+23%since 2000
from 25,496 in 2000
1990 – 2025
Population density
3,125 / sq mi
+23%since 2000
from 2,533 / sq mi in 2000
US average: 280
Median age
36.9
+9%since 2000
from 33.9 in 2000
US average: 38.8
Population, 1990 – 2024
22K25K28K30K33K1990201020202024SeaTac
202432K
1990201020202024
Section 02

Income & economy

Median household income
$66,131
+7%inflation adjusted, since 2000
from $41,202 in 2000
US average: $66,278
1990 – 2024
Per capita income
$29,344
+49%since 2000
from $19,717 in 2000
US average: $35,364
Households earning $100K+
45.0%
+19.5 ptssince 2009
from 25.5% in 2009
US average: 43.9%
Poverty rate
12.5%
+0.9 ptssince 2000
from 11.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Finance & insurance17%
US avg: 5.5%
Professional, scientific, technical16.6%
US avg: 4.7%
Information10.7%
US avg: 11.1%
Retail trade9.3%
US avg: 10%
Wholesale trade8.3%
US avg: 6.7%
Other services3.7%
US avg: 6.6%
Transportation & warehousing2.5%
US avg: 2.5%
Public administration2.1%
US avg: 4.7%
Arts, entertainment, food1.1%
US avg: 2%
Agriculture, forestry, fishing0.5%
US avg: 1.7%
Construction0.5%
US avg: 1.2%
Education & health services0.4%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$338,000
+53%inflation adjusted, since 2000
from $147,000 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,364
+39%inflation adjusted, since 2000
from $654 in 2000
US average: $1,124
Owner-occupied
46.9%
−7.5 ptssince 2000
from 54.4% in 2000
53.1% rent
Afford Score
5.1
+43%since 2000
from 3.6 in 2000
1990 – 2024
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)
2020
White, non-Hispanic29.2%(9,182)
Black23.9%(7,519)
Hispanic / Latino19.4%(6,103)
Asian18.3%(5,741)
Other10.4%(3,285)
Diversity Score97.6%(30,708)
Diversity Score
98
+42%since 2000
from 69 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.8%
+6.5 ptssince 2000
from 15.3% in 2000
US average: 32.9%
High school or higher
84.1%
+2.7 ptssince 2000
from 81.4% in 2000
US average: 88.5%
Graduate degree
4.9%
+0.9 ptssince 2000
from 3.9% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
27.3 min
+64%since 2000
from 16.6 min in 2000
US average: 26.9
Drive alone to work
70.3%
+4.1 ptssince 2009
from 66.1% in 2009
US average: 75.1%
No vehicle available
6.6%
−2.7 ptssince 2009
from 9.2% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.7%
−2.7 ptssince 2011
from 8.3% in 2011
US average: 5.4%
Labor force participation
71.6%
+6.6 ptssince 2011
from 64.9% in 2011
US average: 63.4%
Management & professional
24.2%
−25.5 ptssince 2009
from 49.7% in 2009
US average: 39.3%
Section 08

People & community

Male
54.4%
+1.9 ptssince 2009
from 52.5% in 2009
Female
45.6%
−1.9 ptssince 2009
from 47.5% in 2009
Foreign born
37.6%
+6.2 ptssince 2009
from 31.5% in 2009
US average: 13.5%
Uninsured
9.3%
−67.2 ptssince 2013
from 76.5% in 2013
US average: 8.8%
Drill deeper

Places similar to SeaTac

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Pop 36,725
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Pop 33,182
Rockledge
Pop 31,343
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Head to head

Compare SeaTac to nearby cities

SEATAC VS
Tukwila
Income$78,381+19%
Home value$489,000+45%
Population22,003−36%
SEE FULL COMPARISON →
SEATAC VS
Burien
Income$91,318+38%
Home value$638,800+89%
Population51,859+50%
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SEATAC VS
Des Moines
Income$92,483+40%
Home value$597,000+77%
Population33,032−4%
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SEATAC VS
Bryn Mawr-Skyway
Income$90,969+38%
Home value$655,200+94%
Population17,638−49%
SEE FULL COMPARISON →
Frequently asked

How many people live in SeaTac, Washington?

SeaTac, Washington has about 31,454 residents according to the 2020 American Community Survey.

What is the median household income in SeaTac, Washington?

The typical household in SeaTac, Washington earns about $66,131 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 $338,000, and the typical rent is about $1,364 a month.

How educated are people in SeaTac, Washington?

About 21.8% 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 12.5% 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 8,760 residents, a change of about 39 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 →