
Union township
- County:
- Auglaize County
- County Seat:
- No
- Area (mi²):
- 35.878
- State:
- Ohio
Union township is located in Auglaize County, Ohio. Union township has a 2025 population of 1,701. Union township is currently declining at a rate of -0.23% annually and its population has decreased by -2.41% since the most recent census, which recorded a population of 1,743 in 2020.
The average household income in Union township is $100,745 with a poverty rate of 3.77%. The median age in Union township is 48.5 years: 49 years for males, and 46.3 years for females.