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Zip Code 66021 — Edgerton, KS

66021 is a ZIP Code associated with Edgerton, KS, located within Johnson. 66021 ranks #30 out of 32 ZIP codes in Johnson County by population (and #187 out of 704 in KS). The area supports an estimated population of 2,819 residents across Data Pending housing units, with a population density of 21.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.759390, -95.006920)

Data MetricLocal Statistic
Postal / Zip Code66021
Primary CityEdgerton
State / ProvinceKS
CountyJohnson
Total Population2,819
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density21.2 people/sq mi
TimezoneAmerica/Chicago

How 66021 Compares

MetricZIP 66021Johnson CountyKS State Average
Population2,819611,320 (Total)2,947,026 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density21.2 /sq mi----
County Pop Rank#30 of 32----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 66030Gardner5.2 mi26,328N/A
Zip 66092Wellsville7.0 mi4,351N/A
Zip 66031New Century7.9 mi655N/A
Zip 66083Spring Hill9.5 mi13,011N/A
Zip 66025Eudora10.3 mi8,083N/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 →