Founded in 1855, Neosho County is one of 105 counties in the state of Kansas. Historically, Neosho County was one of the original 36 counties (Formerly Dorn County). The city of Erie is the county seat. With FIPS code of 133, Neosho County has a population of 15,784 and area of 572 square miles (1,481 km2).
List of all cities in Neosho County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Austin, KS | 66720 | 620 |
| Chanute, KS | 66720 | 620 |
| Earlton, KS | 66720 | 620 |
| Erie, KS | 66733 | 620 |
| Galesburg, KS | 66740 | 620 |
| Morehead, KS | 66776 | 620 |
| Petrolia, KS | 66720 | 620 |
| Saint Paul, KS | 66771 | 620 |
| Stark, KS | 66775 | 620 |
| Thayer, KS | 66776 | 620 |