
Union township
- County:
- Champaign County
- County Seat:
- No
- Area (mi²):
- 37.709
- State:
- Ohio
Union township is located in Champaign County, Ohio. Union township has a 2025 population of 2,113. Union township is currently growing at a rate of 0.24% annually and its population has increased by 0.71% since the most recent census, which recorded a population of 2,098 in 2020.
The average household income in Union township is $95,397 with a poverty rate of 17.94%. The median age in Union township is 48 years: 47.3 years for males, and 48.8 years for females.