Gallatin County, Illinois

Gallatin County is a county in the U.S. state of Illinois. According to the 2020 census, it has a population of 4,946, making it the third-least populous county in Illinois. Its county seat is Shawneetown. Gallatin County was founded in 1812 and named for Albert Gallatin.

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Category:1812 establishments in Illinois Territory
Category:Illinois counties