ZIP Code 98198

ZIP code 98198 is classified by USPS as a standard delivery area and covers roughly 20.0 square miles in Seattle, King County, Washington. The area is home to 34,584 residents, producing a population density of 1,732 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 98198 against Washington and the nation.

On the economic side, the median household income for ZIP 98198 sits at $86,239 (5% below the Washington average), while per-capita income is $41,819. The poverty rate stands at 12.9% and the unemployment rate at 7.2%. On housing, the median home value is $589,500 (15% above the state average) with median rent at $1,814 per month, and 54.8% of occupied units are owner-occupied, a direct signal of whether 98198 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 30.8% of adults hold a bachelor's degree or higher, the median age is 36.1, and the average commute is 30 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing King County, so you can benchmark 98198 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →