Leavenworth County, Kansas ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
66048Leavenworth35,717
66043Lansing11,056
66086Tonganoxie10,940
66012Bonner Springs10,425
66007Basehor10,150
66027Fort Leavenworth7,365
66052Linwood2,090
66020Easton1,809

Overview of ZIP Codes in Leavenworth 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 Leavenworth County, Kansas (US Census).

Sources

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

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