ZIP Code 98385 — South Prairie town, WA Demographics & Data

ZIP code 98385 covers South Prairie, WA in Pierce County with a population of about 609.

At a glance, the area shows median age of 37.7 (near the U.S. median).

It sits in telephone area codes 360, 564; U.S. House district WA-8; the SEATTLE - TACOMA media market.

Median household income in ZIP 98385 is about $132,750 — about 77% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 1.6%; unemployment rate near 4.0%; 20.6% of adults with a bachelor’s degree or higher (about 13.1 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Finance and insurance; about 1.3% of workers reporting work-from-home (about 13.9 points below 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 $490,000 — about 41% above the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 96.5% (about 31.1 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 98385 in South Prairie, WA, a household would need roughly $135,000 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 $3,148. That is roughly in line with the local median household income ($132,750). 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 South Prairie town, WA as Relatively High (composite score 98.5), which is among the highest nationally. The strongest component scores on US5 are flood (96.2) and wildfire (76.8). 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 South Prairie town, WA show little to no average snow and around 48.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 33 for ZIP 98385 (South Prairie town, 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.