Founded in 1873, McPherson County is one of 66 counties in the state of South Dakota. Historically, McPherson County was formed from Buffalo County. The city of Leola is the county seat. With FIPS code of 89, McPherson County has a population of 2,420 and area of 1,137 square miles (2,945 km2).
List of all cities in McPherson County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Artas, SD | 57437 | 605 |
| Eureka, SD | 57437 | 605 |
| Greenway, SD | 57437 | 605 |
| Hills, SD | 57437 | 605 |
| Hillsview, SD | 57437 | 605 |
| Leola, SD | 57456 | 605 |
| Longlake, SD | 57457 | 605 |