Marion County ZIP Codes

List of ZIP Codes in Marion County

The following table lists ZIP Codes associated with Marion 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 43302 40.59995 -83.12967 Marion 54,581 108.1
2 43314 40.6474 -82.96122 Caledonia 2,506 17.8
3 43322 40.5327 -83.20815 Green Camp 451 589.2
4 43332 40.58369 -83.37769 La Rue 1,762 11.1
5 43337 40.68336 -83.24107 Morral 601 6.5
6 43341 40.59577 -83.31544 New Bloomington 1,005 17.4
7 43342 40.47533 -83.17994 Prospect 3,566 32.2
8 43356 40.45748 -83.04788 Waldo 900 16.8


About Marion County ZIP Codes

Marion County in Ohio (OH) is served by approximately 8 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 65,372 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 Marion County are located in cities such as Marion, Prospect, Caledonia, La Rue, New Bloomington. These cities and towns help define the economic and demographic character of the county.

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