Warren County, Kentucky ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
42101Bowling Green65,421
42104Bowling Green42,076
42103Bowling Green21,911
42171Smiths Grove6,723
42122Alvaton5,513
42274Rockfield2,157
42170Woodburn1,938
42159Oakland1,699

Overview of ZIP Codes in Warren 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 Warren County, Kentucky (US Census).

Sources

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

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