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Zip Code 40734 — Gray, KY

40734 is a ZIP Code associated with Gray, KY, located within Knox. The postal region supports an estimated population of 3,602 residents across Data Pending housing units, with a population density of 30.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (36.926420, -83.966090)

Data MetricLocal Statistic
Postal / Zip Code40734
Primary CityGray
State / ProvinceKY
CountyKnox
Total Population3,602
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density30.6 people/sq mi
TimezoneAmerica/New_York

How 40734 Compares

MetricZIP 40734Knox CountyKY State Average
Population3,60222,7854,542,460
Median IncomeData PendingN/AN/A
Population Density30.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 40906Barbourville5.7 mi10,813N/A
Zip 40949Heidrick5.7 mi468N/A
Zip 40771Woodbine6.0 mi1,915N/A
Zip 40943Girdler6.4 mi1,117N/A
Zip 40923Cannon6.5 mi679N/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 →