ZIP Code 98555 — undefined, WA Demographics & Data

ZIP code 98555 covers WA in Mason County with a population of about 213.

At a glance, the area shows median age of 69.5 versus a U.S. median of about 38.9.

It sits in telephone area codes 360, 564; U.S. House district WA-6; the SEATTLE - TACOMA media market.

WA reads as a military / base-oriented community on US5’s intent model (elevated veteran share (35.7%) and/or base-related place names). Service members and families often look up Basic Allowance for Housing (BAH) rates, on-base mail (PSC / P.O. Box) addresses, and nearby ZIP demographics when relocating.

US5 shows 2026 DoD BAH locality rates for this ZIP’s Military Housing Area on this page (pay grade × with/without dependents). Treat the table as a planning reference and confirm entitlement with your finance office or the official DTMO BAH lookup.

Median household income in ZIP 98555 is about $61,696 — about 18% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 20.2%; unemployment rate near 0.0%; 36.6% of adults with a bachelor’s degree or higher (about 2.9 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Manufacturing, and Professional services; about 68.3% of workers reporting work-from-home (about 53.1 points above the U.S. share (15.2%)); a mean commute of about 13.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 80.3% (about 14.9 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for WA as Relatively Moderate (composite score 85.3), which is elevated versus much of the country. The strongest component scores on US5 are flood (79.3) and wildfire (44.1). 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 WA show little to no average snow and around 92.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 11 for ZIP 98555 (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.