
Clay township
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 35.998
- State:
- Iowa
Clay township is located in Hardin County, Iowa. Clay township has a 2025 population of 424. Clay 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 Clay township is $70,506 with a poverty rate of 4.25%. The median age in Clay township is 44.3 years: 51.5 years for males, and 37.8 years for females.