Saline County is a county located in the U.S. state of Illinois. As of the most recent data available, the county has a population of approximately 26,733 people, with a population density of about 69.80 persons per square mile.
The county spans a total land area of 383.00 square miles (992.00 square kilometers). The administrative center and county seat is Harrisburg, which often serves as a hub for local governance and services. The largest city within the county by population is Harrisburg.
Geographically, Saline County experiences varied elevations, with its highest point at Raleigh 415 ft and its lowest point at Eldorado 389 ft. The region operates in the UTC-6.