
Union township
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 35.798
- State:
- Iowa
Union township is located in Hardin County, Iowa. Union township has a 2025 population of 101. 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 $99,464 with a poverty rate of 24.75%. The median age in Union township is 54.9 years: 57.9 years for males, and 44.5 years for females.