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Zip Code 40031 — La Grange, KY

40031 is a ZIP Code associated with La Grange, KY, located within Oldham. The postal region supports an estimated population of 26,259 residents across Data Pending housing units, with a population density of 151.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.426170, -85.393680)

Data MetricLocal Statistic
Postal / Zip Code40031
Primary CityLa Grange
State / ProvinceKY
CountyOldham
Total Population26,259
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density151.6 people/sq mi
TimezoneAmerica/New_York

How 40031 Compares

MetricZIP 40031Oldham CountyKY State Average
Population26,25981,0244,542,460
Median IncomeData PendingN/AN/A
Population Density151.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 40010Buckner5.0 mi678N/A
Zip 40077Westport5.6 mi678N/A
Zip 40055Pendleton6.1 mi1,942N/A
Zip 40014Crestwood6.2 mi23,101N/A
Zip 40068Smithfield7.1 mi2,570N/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 →