Founded in 1831, Jasper County is one of 102 counties in the state of Illinois. Historically, Jasper County was formed from Clay and Crawford County. The city of Newton is the county seat. With FIPS code of 79, Jasper County has a population of 9,193 and area of 494 square miles (1,279 km2).
List of all cities in Jasper County, IL alphabetically
| City/Town | Postal Code | Area Code |
| Bogota, IL | 62448 | 618/730 |
| Hidalgo, IL | 62432 | 618/730 |
| Hunt, IL | 62480 | 618/730 |
| Hunt City, IL | 62480 | 618/730 |
| Newton, IL | 62448 | 618/730 |
| Rose Hill, IL | 62432 | 618/730 |
| Sainte Marie, IL | 62459 | 618/730 |
| Ste Marie, IL | 62459 | 618/730 |
| Wakefield, IL | 62448 | 618/730 |
| Wendelin, IL | 62448 | 618/730 |
| West Liberty, IL | 62475 | 618/730 |
| Wheeler, IL | 62479 | 217 |
| Willow Hill, IL | 62480 | 618/730 |
| Yale, IL | 62481 | 618/730 |