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Zip Code 42066 — Mayfield, KY

ZIP Code 42066 is associated with Mayfield, KY, in Graves County. The listed population estimate is 23,917; estimated density is 42.5 people per square mile. Among records with population estimates, it ranks #1 of 11 in Graves County and #58 of 765 in KY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (36.733280, -88.640300)

Data MetricLocal Statistic
Postal / Zip Code42066
Primary CityMayfield
State / ProvinceKY
CountyGraves
Total Population23,917
Population Density42.5 people/sq mi
TimezoneAmerica/Chicago

How 42066 Compares

MetricZIP 42066Graves County recordsKY records
Population estimate23,91738,094 (sum)4,542,460 (sum)
Population Density42.5 /sq mi----
County population rank#1 of 11----
State population rank#58 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 42051Hickory8.5 mi2,114
ZIP 42088Wingo10.2 mi2,497
ZIP 42040Farmington10.7 mi692
ZIP 42039Fancy Farm11.0 mi1,694
ZIP 42054Kirksey11.6 mi837

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 →