ZIP Code 66521 — Onaga city, KS Demographics & Data

ZIP code 66521 covers Onaga, KS in Pottawatomie County with a population of about 1,444.

At a glance, the area shows median age of 50.0 versus a U.S. median of about 38.9.

It sits in telephone area code 785; U.S. House district KS-1; the TOPEKA media market.

Median household income in ZIP 66521 is about $54,779 — about 27% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 12.1%; unemployment rate near 1.1%; 28.6% of adults with a bachelor’s degree or higher (about 5.1 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Agriculture, and Education; about 11.9% of workers reporting work-from-home (about 3.3 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 $181,800 — about 48% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $581 (about 50% below the U.S. median rent ($1,163)), and owner-occupancy near 65.3% (roughly in line with the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 66521 in Onaga, KS, a household would need roughly $50,000 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 $1,168. That is roughly in line with the local median household income ($54,779). 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 Onaga city, KS as Very Low (composite score 30.9), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (90.7) and flood (34.0). 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 Onaga city, KS show little to no average snow and around 35.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 80 for ZIP 66521 (Onaga city, KS) 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.