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Zip Code 40231 — Louisville, KY

40231 is a ZIP Code associated with Louisville, KY, located within Jefferson. The postal region supports an estimated population of Data Pending residents across Data Pending housing units, with a population density of Data Pending people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.195510, -85.695230)

Data MetricLocal Statistic
Postal / Zip Code40231
Primary CityLouisville
State / ProvinceKY
CountyJefferson
Total PopulationData Pending
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population DensityData Pending people/sq mi
TimezoneAmerica/Kentucky/Louisville

How 40231 Compares

MetricZIP 40231Jefferson CountyKY State Average
PopulationData Pending788,8094,542,460
Median IncomeData PendingN/AN/A
Population DensityData Pending /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 40213Louisville1.7 mi16,054N/A
Zip 40205Louisville2.0 mi24,664N/A
Zip 40218Louisville2.1 mi33,736N/A
Zip 40217Louisville2.7 mi11,663N/A
Zip 40209Louisville2.7 mi639N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →