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Zip Code 40204 — Louisville, KY

ZIP Code 40204 is associated with Louisville, KY, in Jefferson County. The listed population estimate is 14,034; estimated density is 1,707.3 people per square mile. Among records with population estimates, it ranks #25 of 36 in Jefferson County and #108 of 765 in KY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.238730, -85.720800)

Data MetricLocal Statistic
Postal / Zip Code40204
Primary CityLouisville
State / ProvinceKY
CountyJefferson
Total Population14,034
Population Density1,707.3 people/sq mi
TimezoneAmerica/Kentucky/Louisville

How 40204 Compares

MetricZIP 40204Jefferson County recordsKY records
Population estimate14,034788,809 (sum)4,542,460 (sum)
Population Density1,707.3 /sq mi----
County population rank#25 of 36----
State population rank#108 of 765----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in KY

ZIP CodeCityDistancePopulation estimate
ZIP 40206Louisville1.7 mi20,161
ZIP 40217Louisville1.8 mi11,663
ZIP 40280Louisville1.9 mi182
ZIP 40202Louisville2.0 mi7,261
ZIP 40205Louisville2.3 mi24,664

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 →