ZIP Code 54985 — Oshkosh city, WI Demographics & Data

ZIP code 54985 covers Oshkosh, WI in Winnebago County with a population of about 593.

At a glance, the area shows median age of 39.7 (near the U.S. median).

It sits in telephone area codes 274, 920; U.S. House district WI-6; the GREEN BAY - APPLETON media market.

On socioeconomic markers, US5 shows a 1.5% of adults with a bachelor’s degree or higher (about 32.2 points below the national share (33.7%)).

FEMA’s National Risk Index rates natural-hazard risk for Oshkosh city, WI as Relatively Moderate (composite score 86.8), which is elevated versus much of the country. The strongest component scores on US5 are flood (89.3) and wildfire (40.2). 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 Oshkosh city, WI show little to no average snow and around 33.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 35 for ZIP 54985 (Oshkosh city, WI) 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.