Cities and Towns in Grant County, Indiana
Founded on Feb 10, 1831, Grant County is one of 92 counties in the state of Indiana. Historically, Grant County was formed from Madison County, Adams New Purchase and un-organized. The city of Marion is the county seat. With FIPS code of 53, Grant County has a population of 66,263 and area of 414 square miles (1,072 km²).
List of all cities in Grant County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Fairmount, IN | 46928 | 765 |
| Fowlerton, IN | 46930 | 765 |
| Gas City, IN | 46933 | 765 |
| Jonesboro, IN | 46938 | 765 |
| Landess, IN | 46991 | 765 |
| Marion, IN | 46952 | 765 |
| Marion, IN | 46953 | 765 |
| Matthews, IN | 46957 | 765 |
| Sims, IN | 46986 | 765 |
| Swayzee, IN | 46986 | 765 |
| Sweetser, IN | 46987 | 765 |
| Upland, IN | 46989 | 765 |
| Van Buren, IN | 46991 | 765 |
