Founded in 1857, Pottawatomie County is one of 105 counties in the state of Kansas. Historically, Pottawatomie County was formed from Calhoun and Riley. The city of Westmoreland is the county seat. With FIPS code of 149, Pottawatomie County has a population of 25,790 and area of 844 square miles (2,186 km2).
List of all cities in Pottawatomie County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Belvue, KS | 66407 | 785 |
| Blaine, KS | 66549 | 785 |
| Duluth, KS | 66521 | 785 |
| Emmett, KS | 66422 | 785 |
| Fostoria, KS | 66426 | 785 |
| Havensville, KS | 66432 | 785 |
| Louisville, KS | 66547 | 785 |
| Olsburg, KS | 66520 | 785 |
| Onaga, KS | 66521 | 785 |
| Saint George, KS | 66535 | 785 |
| Saint Marys, KS | 66536 | 785 |
| Wamego, KS | 66547 | 785 |
| Westmoreland, KS | 66426 | 785 |
| 66549 | 785 | |
| Wheaton, KS | 66521 | 785 |