ZIP Code 40203 — Louisville city, KY Demographics & Data

ZIP code 40203 covers Louisville, KY in Jefferson County with a population of about 17,540.

At a glance, the area shows median age of 34.8 versus a U.S. median of about 38.9.

It sits in telephone area code 502; U.S. House district KY-3; the LOUISVILLE media market.

Louisville, KY sits in a university / college context (near jefferson community and technical college (0.8 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 40203 is about $31,430 — about 58% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 39.9%; unemployment rate near 9.7%; 22.3% of adults with a bachelor’s degree or higher (about 11.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Food services, and Retail trade; about 16.8% of workers reporting work-from-home (about 1.6 points above 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 $179,300 — about 48% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $687 (about 41% below the U.S. median rent ($1,163)), and owner-occupancy near 24.7% (about 40.7 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 40203 in Louisville, KY, a household would need roughly $49,000 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 $1,152. That is about 56% above the local median household income ($31,430), so the median earner would likely stretch or need a larger down payment. 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 Louisville city, KY as Relatively High (composite score 98.3), which is among the highest nationally. The strongest component scores on US5 are flood (99.1) and wildfire (56.1). 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 Louisville city, KY show little to no average snow and around 48.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 655 for ZIP 40203 (Louisville city, KY) 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.