Founded in 1855, Doniphan County is one of 105 counties in the state of Kansas. Historically, Doniphan County was one of the original 36 counties. The city of Troy is the county seat. With FIPS code of 43, Doniphan County has a population of 7,471 and area of 392 square miles (1,015 km2).
List of all cities in Doniphan County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Bendena, KS | 66008 | 785 |
| Denton, KS | 66017 | 785 |
| Elwood, KS | 66024 | 785 |
| Highland, KS | 66035 | 785 |
| Severance, KS | 66087 | 785 |
| Troy, KS | 66087 | 785 |
| Wathena, KS | 66090 | 785 |
| White Cloud, KS | 66094 | 785 |