|Saline County Illinois Cities/Towns -
Carrier Mills, Cottage Grove, Eldorado, Galatia, Harrisburg (County Seat), Liberty, Long Branch, Muddy, Raleigh, Stonefort
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Saline County is a county located in the U.S. state of Illinois. As of 2016, the population was 24,307. Its county seat is Harrisburg.
Saline County was formed in 1847. It is named for the Saline River and the springs from which salt was produced in the early history of Gallatin County.