There are 4 zip codes in Washington County, Kentucky. The most populated is 40069, located in Springfield. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
400697,525Springfield
400783,021Willisburg
40040705Mackville
40061258Saint Catharine

Zip Codes in Washington County, Kentucky by Population (2024)