ZIP Code 98023 — Federal Way city, WA Demographics & Data

ZIP code 98023 covers Federal Way, WA in King County with a population of about 49,593.

At a glance, the area shows median age of 38.9 (near the U.S. median).

It sits in telephone area code 253; U.S. House district WA-9; the SEATTLE - TACOMA media market.

Median household income in ZIP 98023 is about $101,960 — about 36% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 9.9%; unemployment rate near 4.9%; 34.1% of adults with a bachelor’s degree or higher (roughly in line with the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Retail trade; about 15.8% 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 $545,600 — about 57% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,764 (about 52% above the U.S. median rent ($1,163)), and owner-occupancy near 66.4% (about 1.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 98023 in Federal Way, WA, a household would need roughly $150,000 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 $3,505. That is about 47% above the local median household income ($101,960), 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.

FEMA’s National Risk Index rates natural-hazard risk for Federal Way city, WA as Very High (composite score 99.7), which is among the highest nationally. The strongest component scores on US5 are flood (99.5) and wildfire (79.5). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Federal Way city, WA show little to no average snow and around 40.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2,664 for ZIP 98023 (Federal Way city, WA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.