Simpson County ZIP Codes

List of ZIP Codes in Simpson County

The following table lists ZIP Codes associated with Simpson County, Kentucky, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 42134 36.72626 -86.56433 Franklin 19,117 34.7


About Simpson County ZIP Codes

Simpson County in Kentucky (KY) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 19,117 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Simpson County are located in cities such as Franklin. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Simpson County, Kentucky follow the America/Chicago time zone.