ZIP Code 99105 — undefined, WA Demographics & Data

ZIP code 99105 covers WA in Adams County with a population of about 31.

At a glance, the area shows median age of 56.8 versus a U.S. median of about 38.9.

It sits in telephone area code 509; U.S. House district WA-5; the SPOKANE media market.

WA fits a retirement-oriented profile (older median age or known retirement-community context). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

Median household income in ZIP 99105 is about $73,750 — about even with the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 30.4% of adults with a bachelor’s degree or higher (about 3.3 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Administrative support, and Wholesale trade; about 26.7% of workers reporting work-from-home (about 11.5 points above the U.S. share (15.2%)); a mean commute of about 11.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 92.9% (about 27.5 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for WA as Very Low (composite score 23.2), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (85.2) and flood (34.3). 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 15.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2 for ZIP 99105 (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.