
Knoxville township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 104.327
- State:
- Iowa
Knoxville township is located in Marion County, Iowa. Knoxville township has a 2025 population of 10,223. Knoxville 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 Knoxville township is $96,259 with a poverty rate of 8.6%. The median age in Knoxville township is 41.3 years: 42.8 years for males, and 40.4 years for females.