Issaquah vs SeaTac

A side-by-side comparison of Issaquah and SeaTac: population, income, housing, and more.

Issaquah and SeaTac are places in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Issaquah has the higher population (39,472 vs 31,143 in SeaTac). Issaquah has the higher median household income ($153,786 vs $76,517 in SeaTac). Issaquah has the higher median home value ($934,100 vs $483,200 in SeaTac).

Population, income & housing

	Issaquah	SeaTac
Population	39,472	31,143
Median age	37.2 yrs	36.8 yrs
Median household income	$153,786	$76,517
Median home value	$934,100	$483,200
Median gross rent	$2,484	$1,637
Housing units	17,180	12,424
Homeownership rate	58.7%	45.1%
Bachelor's degree or higher	69.6%	26.6%
Unemployment rate	3.1%	8.3%

Trends (ACS 5-year, 2019–2023)

	Issaquah	SeaTac
Population	37,965 → 39,472 (+4.0%)	29,019 → 31,143 (+7.3%)
Median household income	$109,676 → $153,786 (+40.2%)	$63,009 → $76,517 (+21.4%)
Median home value	$642,300 → $934,100 (+45.4%)	$321,300 → $483,200 (+50.4%)
Median gross rent	$1,982 → $2,484 (+25.3%)	$1,286 → $1,637 (+27.3%)

Issaquah

Population

37,96539,472

Median household income

$109,676$153,786

Median home value

$642,300$934,100

Median gross rent

$1,982$2,484

SeaTac

Population

29,01931,143

Median household income

$63,009$76,517

Median home value

$321,300$483,200

Median gross rent

$1,286$1,637

Age & race/ethnicity

Age distribution (share)

	Issaquah	SeaTac
Under 5	4.3%	6.0%
5 to 17	17.3%	17.5%
18 to 24	4.7%	7.3%
25 to 34	19.0%	16.2%
35 to 44	18.2%	17.6%
45 to 54	14.6%	10.9%
55 to 64	8.6%	11.2%
65 to 74	6.4%	8.5%
75 and over	6.8%	4.8%

Race & ethnicity (share)

	Issaquah	SeaTac
White (non-Hispanic)	56.1%	29.3%
Black or African American	1.6%	23.9%
American Indian & Alaska Native	0.2%	0.3%
Asian	27.6%	15.8%
Native Hawaiian & Pacific Islander	0.1%	1.5%
Some other race	1.0%	0.3%
Two or more races	7.7%	6.2%
Hispanic or Latino	5.7%	22.8%

Educational attainment (age 25+)

Share of adults 25+

	Issaquah	SeaTac
No high school diploma	2.3%	16.1%
High school graduate	7.6%	28.2%
Some college or associate's	20.6%	29.0%
Bachelor's degree	39.0%	20.0%
Graduate or professional degree	30.5%	6.6%

Commute to work

How workers get to work (share)

	Issaquah	SeaTac
Drove alone	49.7%	60.0%
Carpooled	6.8%	15.7%
Public transit	3.5%	6.9%
Walked	1.7%	4.3%
Bicycle	0.1%	0.0%
Worked from home	36.7%	10.8%
Other means	1.5%	2.2%

Housing

Units in structure (share)

	Issaquah	SeaTac
1-unit, detached	37.3%	43.7%
1-unit, attached	15.4%	2.7%
2 to 4 units	6.0%	6.8%
5 to 19 units	19.5%	22.1%
20 or more units	21.8%	19.5%
Mobile home & other	0.0%	5.2%

Poverty & households

	Issaquah	SeaTac
Poverty rate	5.9%	10.4%
Average household size	2.38	2.57
Mean commute (minutes)	27	26
Median year structure built	2002	1971