Zip Code 40291 — Louisville, KY

ZIP Code 40291 is associated with Louisville, KY, in Jefferson County. The listed population estimate is 41,222; estimated density is 703.2 people per square mile. Among records with population estimates, it ranks #5 of 36 in Jefferson County and #17 of 765 in KY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.127500, -85.578230)

Data MetricLocal Statistic
Postal / Zip Code40291
Primary CityLouisville
State / ProvinceKY
CountyJefferson
Total Population41,222
Population Density703.2 people/sq mi
TimezoneAmerica/Kentucky/Louisville

How 40291 Compares

MetricZIP 40291Jefferson County recordsKY records
Population estimate41,222788,809 (sum)4,542,460 (sum)
Population Density703.2 /sq mi----
County population rank#5 of 36----
State population rank#17 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 40228Louisville2.9 mi18,085
ZIP 40299Louisville4.2 mi42,207
ZIP 40229Louisville4.9 mi41,299
ZIP 40219Louisville6.1 mi39,909
ZIP 40218Louisville6.1 mi33,736

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 →