What to know about ZIP 98231
ZIP code 98231 covers ZIP 98231 with a population of about 3,879.
At a glance, the area shows median age of 37.1 versus a U.S. median of about 38.9.
It sits in the SEATTLE - TACOMA media market.
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 98231 covers ZIP 98231 with a population of about 3,879.
At a glance, the area shows median age of 37.1 versus a U.S. median of about 38.9.
It sits in the SEATTLE - TACOMA media market.
Median household income in ZIP 98231 is about $81,076 — about 8% above the U.S. median ($75,149).
On socioeconomic markers, US5 shows a poverty rate of 13.2%; unemployment rate near 9.7%; 24.8% of adults with a bachelor’s degree or higher (about 9.0 points below the national share (33.7%)).
Labor and commute patterns include leading industry context around Manufacturing, Food services, and Public administration; about 14.6% of workers reporting work-from-home (roughly in line with the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).
Median home value is about $397,100 — about 14% above the U.S. median home value ($348,079).
Housing tenure and rents show median gross rent around $988 (about 15% below the U.S. median rent ($1,163)), and owner-occupancy near 57.1% (about 8.3 points below the national owner-occupancy rate (65.4%)).
To comfortably buy a median-priced home in ZIP 98231, a household would need roughly $109,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $2,551. That is about 34% above the local median household income ($81,076), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.