
Polk township
- County:
- Benton County
- County Seat:
- No
- Area (mi²):
- 45.486
- State:
- Iowa
Polk township is located in Benton County, Iowa. Polk township has a 2025 population of 2,249. Polk township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Polk township is $110,586 with a poverty rate of 9.03%. The median age in Polk township is 35.3 years: 36.6 years for males, and 34.6 years for females.