Brushy Mound township
- County:
- Macoupin County
- County Seat:
- No
- Area (mi²):
- 35.316
- State:
- Illinois
Brushy Mound township is located in Macoupin County, Illinois. Brushy Mound township has a 2026 population of 652. Brushy Mound township is currently declining at a rate of -0.46% annually and its population has decreased by -1.66% since the most recent census, which recorded a population of 663 in 2020.
The median age in Brushy Mound township is 53.8 years: 57.3 years for males, and 52.6 years for females. For every 100 females there are 91.7 males.