Founded in 1873, Seward County is one of 105 counties in the state of Kansas. Historically, Seward County was formed from unorganized area. The city of Liberal is the county seat. With FIPS code of 175, Seward County has a population of 21,747 and area of 640 square miles (1,658 km2).
List of all cities in Seward County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Kismet, KS | 67859 | 620 |
| Liberal, KS | 67901 | 620 |
| 67905 | 620 |