
Union township
- County:
- Clermont County
- County Seat:
- No
- Area (mi²):
- 28.985
- State:
- Ohio
Union township is located in Clermont County, Ohio. Union township has a 2025 population of 51,096. Union township is currently growing at a rate of 0.61% annually and its population has increased by 2.84% since the most recent census, which recorded a population of 49,687 in 2020.
The average household income in Union township is $100,877 with a poverty rate of 9.36%. The median age in Union township is 37.8 years: 36.6 years for males, and 38.6 years for females.