About UsBusiness PlansMarket ResearchInsightsKnowledgeCareerLet's Talk

Census ACS · ZIP Code Tabulation Area

98166 Income Statistics for 2026

King County, Washington

Median household income

$114,969

Median household income ($114,969) is lower than King County County ($131,803).

98166$114,969
King County County$131,803
98039$250,001
98075$250,001
98164$250,001
98040$219,069
98074$244,362

Average household income

$162,280

Average household income ($162,280) is lower than King County County ($176,137).

98166$162,280
King County County$176,137
98039$488,829
98075$334,768
98164$328,305
98040$318,528
98074$290,513

Per-capita income

$66,945

Per-capita income ($66,945) is lower than King County County ($74,055).

98166$66,945
King County County$74,055
98039$171,315
98075$108,795
98164$192,568
98040$128,615
98074$97,647

Households earning $100k+

57.1%

Households earning $100k+ (57.1%) is lower than King County County (59.0%).

9816657.1%
King County County59.0%
9803978.9%
9807587.8%
9816494.7%
9804072.0%
9807481.2%

All demographics

Population
22,082
Households
8,961
Median age
43.6 yrs
Median household income
$114,969
Mean household income
$162,280
Per capita income
$66,945
Median home value
$824,400
Median gross rent
$1,782
Owner-occupied housing
67.9%
Bachelor's degree or higher
46.9%
In labor force
64.0%
Poverty rate
10.1%
Households earning $100k+
57.1%
Population under 5
5.2%
Population age 18–34
16.8%
Population age 25–44
27.9%
Population age 45–64
27.4%
Population age 65+
20.5%
Hispanic or Latino
14.7%
Black (non-Hispanic)
2.1%
Asian (non-Hispanic)
6.6%
Unemployment rate
4.8%
Open in interactive explorer

County and peer ZIP comparisons use population-weighted aggregates from other ZCTAs in the same county. Source: US Census Bureau ACS 5-year estimates. Page URL: https://resource.skyrocketbpo.com/tools/market-research/us-income-demographics-by-zip-code/washington/98166

Link to this page

Permanent URL backed by Census ACS data in PocketBase.

← Back to Washington income overview