
Union township
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 34.902
- State:
- Iowa
Union township is located in Hardin County, Iowa. Union township has a 2025 population of 464. Union 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 Union township is $66,263 with a poverty rate of 20.04%. The median age in Union township is 45.8 years: 45.1 years for males, and 47.8 years for females.