Mercer County ZIP Codes

List of ZIP Codes in Mercer County

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


S.N. Zip Code Latitude Longitude City Population Density
1 45310 40.35299 -84.64264 Burkettsville 255 567.7
2 45822 40.55266 -84.59664 Celina 20,170 47.8
3 45826 40.43658 -84.49368 Chickasaw 419 673.7
4 45828 40.48672 -84.67677 Coldwater 6,343 72.3
5 45846 40.40986 -84.74644 Fort Recovery 4,763 24.2
6 45860 40.39365 -84.51566 Maria Stein 2,437 28.3
7 45862 40.67079 -84.51356 Mendon 1,182 12.5
8 45866 40.48905 -84.54969 Montezuma 100 377.7
9 45882 40.67823 -84.6754 Rockford 2,719 12.3
10 45883 40.40574 -84.62791 Saint Henry 4,099 43.5


About Mercer County ZIP Codes

Mercer County in Ohio (OH) is served by approximately 10 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 42,487 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 Mercer County are located in cities such as Celina, Coldwater, Fort Recovery, Saint Henry, Rockford. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Mercer County, Ohio follow the America/New_York time zone.