
Polk township
- County:
- Macoupin County
- County Seat:
- No
- Area (mi²):
- 35.948
- State:
- Illinois
Polk township is located in Macoupin County, Illinois. Polk township has a 2025 population of 574. Polk township is currently declining at a rate of 0% annually and its population has decreased by -1.54% since the most recent census, which recorded a population of 583 in 2020.
The average household income in Polk township is $100,201 with a poverty rate of 12.25%. The median age in Polk township is 54.6 years: 53.9 years for males, and 57.1 years for females.