|Gallatin County Illinois Cities/Towns - Equality, Junction, New Haven, Old Shawneetown, Omaha, Ridgway, Shawneetown (County Seat)
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Gallatin County is a county located in the U.S. state of Illinois. As of 2016, the population was 5,212. Its county seat is Shawneetown.
The County was organized in 1812. The County was named for Albert Gallatin, who was Secretary of the Treasury at the time.