
Brussels
- County:
- Calhoun County
- County Seat:
- No
- Area (mi²):
- 0.56
- State:
- Illinois
Brussels is a village located in Calhoun County, Illinois. Brussels has a 2025 population of 115. Brussels is currently declining at a rate of -0.86% annually and its population has decreased by -4.17% since the most recent census, which recorded a population of 120 in 2020.
The average household income in Brussels is $75,542 with a poverty rate of 17.65%. The median age in Brussels is 40.8 years: 40.2 years for males, and 44 years for females.