Washington / Census place 5362288

SeaTac

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: SeaTac city

At a glance

A city in numbers.

Population
34,578
2025 estimate
Annual change
+2.6%
Population estimate
Density
3,436/sq mi
10.1 sq mi land area
Median age
36.8 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$81,104
Median home value
$519,700
Median gross rent
$1,660
Bachelor’s degree or higher
26.4%
Typical commute
25.4 min
Public transit commute
6.5%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: SEATTLE TACOMA AP (1 mi from place center)
Average high
61.3°F
Average low
46.1°F
Annual rainfall
39.3"
Annual snowfall
6.3"

Month by month

A year in SeaTac.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

MA

Randolph Town, MA

Population, housing, work, and travel data for this Census place.

Population
34,948
Median home
$496,400
WA

Wenatchee, WA

Population, housing, work, and travel data for this Census place.

Population
35,547
Median home
$433,700
OH

Upper Arlington, OH

Population, housing, work, and travel data for this Census place.

Population
35,893
Median home
$595,600

Keep exploring

Compare SeaTac with Randolph Town