Brownstown is a village located in Fayette County, in the state of Illinois (IL), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 0.6 square miles (2.0 km²) and sits at an elevation of 586 ft. With a population of approximately 705 residents, Brownstown offers a peaceful, rural atmosphere.
The town's population is composed of about 41.84% males and 58.16% females, and it has a population density of 119.05 people per square mile (432.07/km²). Brownstown lies at a latitude of 39 and a longitude of -88.95, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (16.7%), followed by English (13.8%), German (24.1%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 62418.