Census ACS · Washington
ZIP Code 98391
ZIP code 98391 is located in Washington with a population of 57,691. The median household income is $129,233 and the median home value is $578,300.
57,691
Population
$129,233
Median Income
$578,300
Median Home Value
37.0
Median Age
Race & Ethnicity
| White | 80.9% |
| Black | 0.9% |
| Asian | 0.0% |
| Hispanic (any race) | 2.9% |
Male: 50.9% · Female: 49.1%
Economy & Income
$129,233
Median Household Income
$54,868
Per Capita Income
2.0%
Poverty Rate
Housing
$578,300
Median Home Value
$2,178
Median Rent
86.3%
Homeownership
Education
94.6%
High School+
32.2%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Washington
Part of Washington
Metro areas in Washington
Frequently Asked Questions
ZIP code 98391 in Washington has a population of 57,691 according to latest Census ACS data.
The median household income in ZIP 98391 is $129,233. The per capita income is $54,868. The poverty rate is 2.0%.
ZIP code 98391 is located in Washington.
More from Washington
Data for ZIP Code Tabulation Area (ZCTA) 98391 from the American Community Survey 5-Year estimates. ZCTAs approximately correspond to USPS ZIP code delivery areas but are built from Census blocks and may not match exactly.
What sets ZIP 98391 apart is money: median household income runs $129,233, above the US median of $78,538. With 57,691 residents, ZIP 98391 is a ZIP code in Washington.
Income is a real outlier — the median household pulls in $129,233, putting ZIP 98391 near the top of US ZIP codes. The poverty rate, 2.0%, is on the lower side for US ZIP codes and below the national 12.4%. Housing is expensive: the median home is worth $578,300, with typical rent around $2,178.
College attainment is above the local norm at 32.2%, below the national 35.0%.
Taken together, the income and housing figures place ZIP 98391 firmly in the higher-cost, higher-earning tier of US ZIP codes — a profile that tends to track dense job markets and competitive housing.
Source: U.S. Census Bureau ACS, 2026.