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Zip Code 66531 — Riley, KS

66531 is a ZIP Code associated with Riley, KS, located within Riley. The postal region supports an estimated population of 1,256 residents across Data Pending housing units, with a population density of 13.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.311460, -96.834160)

Data MetricLocal Statistic
Postal / Zip Code66531
Primary CityRiley
State / ProvinceKS
CountyRiley
Total Population1,256
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density13.8 people/sq mi
TimezoneAmerica/Chicago

How 66531 Compares

MetricZIP 66531Riley CountyKS State Average
Population1,25685,6702,947,026
Median IncomeData PendingN/AN/A
Population Density13.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 66449Leonardville5.5 mi937N/A
Zip 66503Manhattan8.6 mi17,273N/A
Zip 66554Randolph12.6 mi770N/A
Zip 66514Milford13.0 mi1,350N/A
Zip 66520Olsburg13.5 mi635N/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 →