About UsBusiness PlansMarket ResearchInsightsKnowledgeCareerLet's Talk

Census ACS · ZIP Code Tabulation Area

98178 Income Statistics for 2026

King County, Washington

Median household income

$99,505

Median household income ($99,505) is lower than King County County ($131,803).

98178$99,505
King County County$131,803
98039$250,001
98075$250,001
98164$250,001
98040$219,069
98074$244,362

Average household income

$139,638

Average household income ($139,638) is lower than King County County ($176,137).

98178$139,638
King County County$176,137
98039$488,829
98075$334,768
98164$328,305
98040$318,528
98074$290,513

Per-capita income

$49,953

Per-capita income ($49,953) is lower than King County County ($74,055).

98178$49,953
King County County$74,055
98039$171,315
98075$108,795
98164$192,568
98040$128,615
98074$97,647

Households earning $100k+

49.7%

Households earning $100k+ (49.7%) is lower than King County County (59.0%).

9817849.7%
King County County59.0%
9803978.9%
9807587.8%
9816494.7%
9804072.0%
9807481.2%

All demographics

Population
26,748
Households
9,349
Median age
39.7 yrs
Median household income
$99,505
Mean household income
$139,638
Per capita income
$49,953
Median home value
$660,400
Median gross rent
$1,869
Owner-occupied housing
66.7%
Bachelor's degree or higher
36.1%
In labor force
65.4%
Poverty rate
9.9%
Households earning $100k+
49.7%
Population under 5
6.2%
Population age 18–34
21.2%
Population age 25–44
29.8%
Population age 45–64
25.0%
Population age 65+
17.6%
Hispanic or Latino
9.0%
Black (non-Hispanic)
20.3%
Asian (non-Hispanic)
31.9%
Unemployment rate
6.1%
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/98178

Link to this page

Permanent URL backed by Census ACS data in PocketBase.

← Back to Washington income overview