
Union township
- County:
- Belmont County
- County Seat:
- No
- Area (mi²):
- 34.716
- State:
- Ohio
Union township is located in Belmont County, Ohio. Union township has a 2025 population of 2,211. Union township is currently declining at a rate of -0.85% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 2,296 in 2020.
The average household income in Union township is $107,029 with a poverty rate of 3.26%. The median age in Union township is 43.1 years: 37.1 years for males, and 43.7 years for females.