Riley County, Kansas ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
66502Manhattan43,693
66503Manhattan17,273
66442Fort Riley16,890
66506Manhattan3,155
66517Ogden1,696
66531Riley1,256
66449Leonardville937
66554Randolph770

Overview of ZIP Codes in Riley County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Riley County, Kansas (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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