
Hardin township
- County:
- Johnson County
- County Seat:
- No
- Area (mi²):
- 34.027
- State:
- Iowa
Hardin township is located in Johnson County, Iowa. Hardin township has a 2025 population of 331. Hardin 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 Hardin township is $95,023 with a poverty rate of 18.73%. The median age in Hardin township is 40.5 years: 31.3 years for males, and 54.3 years for females.