Founded in 1860, Marion County is one of 105 counties in the state of Kansas. Historically, Marion County was formed from unorganized area. The city of Marion is the county seat. With FIPS code of 115, Marion County has a population of 11,712 and area of 943 square miles (2,442 km2).
List of all cities in Marion County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Antelope, KS | 66858 | 620 |
| Burns, KS | 66840 | 620 |
| Durham, KS | 67438 | 620 |
| Florence, KS | 66851 | 620 |
| Goessel, KS | 67053 | 620 |
| Hillsboro, KS | 67063 | 620 |
| Lehigh, KS | 67073 | 620 |
| Lincolnville, KS | 66858 | 620 |
| Lost Springs, KS | 66859 | 785 |
| Marion, KS | 66861 | 620 |
| Peabody, KS | 66866 | 620 |
| Ramona, KS | 67475 | 785 |
| 67483 | 785 | |
| Tampa, KS | 67483 | 785 |