Founded in 1847, Saline County is one of 102 counties in the state of Illinois. Historically, Saline County was formed from Gallatin County. The city of Harrisburg is the county seat. With FIPS code of 165, Saline County has a population of 23,320 and area of 379 square miles (982 km2).
List of all cities in Saline County, IL alphabetically
| City/Town | Postal Code | Area Code |
| Beulah Heights, IL | 62930 | 618/730 |
| Brushy, IL | 62935 | 618/730 |
| Carrier Mills, IL | 62917 | 618/730 |
| Carriers Mills, IL | 62917 | 618/730 |
| College Heights, IL | 62930 | 618/730 |
| Cornerville, IL | 62935 | 618/730 |
| Cottagegrove, IL | 62930 | 618/730 |
| Dallasania, IL | 62917 | 618/730 |
| Dykersburg, IL | 62987 | 618/730 |
| East Eldorado, IL | 62930 | 618/730 |
| Eldorado, IL | 62930 | 618/730 |
| Galatia, IL | 62935 | 618/730 |
| Harco, IL | 62935 | 618/730 |
| Harrisburg, IL | 62946 | 618/730 |
| McCormick, IL | 62987 | 618/730 |
| Mitchellsville, IL | 62917 | 618/730 |
| Muddy, IL | 62965 | 618/730 |
| Raleigh, IL | 62977 | 618/730 |
| Rector, IL | 62930 | 618/730 |
| Stonefort, IL | 62987 | 618/730 |
| Texas City, IL | 62930 | 618/730 |
| Wasson, IL | 62930 | 618/730 |