Brownstown is a village in Fayette County, Illinois, United States. The population was 690 at the 2020 census, down from 759 at the 2010 census.
Geography
U.S. Route 40 passes through the south side of the village, leading east to St. Elmo and west to Vandalia, the Fayette County seat. Interstate 70 passes just south of Brownstown, with the closest exit west at US 40.
According to the 2021 census gazetteer files, Brownstown has a total area of , all land.
Demographics
As of the 2020 census