Adams County ZIP Codes

List of ZIP Codes in Adams County

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


S.N. Zip Code Latitude Longitude City Population Density
1 46711 40.6635 -84.92398 Berne 8,211 55.0
2 46733 40.83033 -84.94023 Decatur 19,246 43.1
3 46740 40.60298 -84.9638 Geneva 4,766 29.5
4 46772 40.7221 -84.91153 Monroe 3,164 32.8


About Adams County ZIP Codes

Adams County in Indiana (IN) is served by approximately 4 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 35,387 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 Adams County are located in cities such as Decatur, Berne, Geneva, Monroe. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Adams County, Indiana follow the America/Indiana/Indianapolis time zone.