Founded in 1872, Harvey County is one of 105 counties in the state of Kansas. Historically, Harvey County was formed from McPherson, Sedgwick and Reno Counties. The city of Newton is the county seat. With FIPS code of 79, Harvey County has a population of 33,817 and area of 539 square miles (1,396 km2).
List of all cities in Harvey County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Burrton, KS | 67020 | 620 |
| Halstead, KS | 67056 | 316 |
| Hesston, KS | 67062 | 620 |
| Newton, KS | 67114 | 316 |
| 67117 | 316 | |
| North Newton, KS | 67117 | 316 |
| Sedgwick, KS | 67135 | 316 |
| Walton, KS | 67151 | 620 |
| Zimmerdale, KS | 67114 | 316 |