Founded in 1867, Smith County is one of 105 counties in the state of Kansas. Historically, Smith County was formed from unorganized area. The city of Smith Center is the county seat. With FIPS code of 183, Smith County has a population of 3,576 and area of 896 square miles (2,321 km2).
List of all cities in Smith County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Athol, KS | 66932 | 785 |
| Bellaire, KS | 66952 | 785 |
| Cedar, KS | 67628 | 785 |
| Gaylord, KS | 67638 | 785 |
| Harlan, KS | 66967 | 785 |
| Kensington, KS | 66951 | 785 |
| Lebanon, KS | 66952 | 785 |
| Smith Center, KS | 66967 | 785 |