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Zip Code 40221 — Louisville, KY

40221 is a ZIP Code associated with Louisville, KY, located within Jefferson. 40221 ranks #37 out of 38 ZIP codes in Jefferson County by population (and #766 out of 780 in KY). The area 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 (38.186440, -85.753020)

Data MetricLocal Statistic
Postal / Zip Code40221
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 40221 Compares

MetricZIP 40221Jefferson CountyKY State Average
PopulationData Pending788,809 (Total)4,542,460 (Total)
Average ZIP IncomeData PendingN/AN/A
Population DensityData Pending /sq mi----
County Pop Rank#37 of 38----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 40209Louisville0.5 mi639N/A
Zip 40215Louisville1.8 mi20,532N/A
Zip 40213Louisville2.1 mi16,054N/A
Zip 40208Louisville2.3 mi15,605N/A
Zip 40217Louisville2.3 mi11,663N/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 →