
Brownstown
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 0.763
- State:
- Illinois
Brownstown is a village located in Fayette County, Illinois. Brownstown has a 2025 population of 673. Brownstown is currently declining at a rate of -0.59% annually and its population has decreased by -2.89% since the most recent census, which recorded a population of 693 in 2020.
The average household income in Brownstown is $74,592 with a poverty rate of 20.44%. The median age in Brownstown is 34 years: 33.3 years for males, and 36.2 years for females.