ZIP Code 66603 — Topeka city, KS Demographics & Data

ZIP code 66603 covers Topeka, KS in Shawnee County with a population of about 1,304.

At a glance, the area shows median age of 30.4 versus a U.S. median of about 38.9.

It sits in telephone area code 785; U.S. House district KS-2; the TOPEKA media market.

Topeka, KS sits in a university / college context (near washburn university (2.2 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 66603 is about $38,992 — about 48% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 28.7%; unemployment rate near 2.8%; 17.0% of adults with a bachelor’s degree or higher (about 16.7 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Food services, Healthcare, and Construction; about 11.6% of workers reporting work-from-home (about 3.6 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 $91,500 — about 74% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $478 (about 59% below the U.S. median rent ($1,163)), and owner-occupancy near 25.1% (about 40.3 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 66603 in Topeka, KS, a household would need roughly $25,000 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 $588. That sits below the local median household income ($38,992), suggesting the typical household income is closer to a workable buy-in level under these assumptions. 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 Topeka city, KS as Relatively Moderate (composite score 88.0), which is elevated versus much of the country. The strongest component scores on US5 are flood (90.0) and wildfire (75.3). 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 Topeka city, KS show little to no average snow and around 37.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 72 for ZIP 66603 (Topeka 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.