
Union township
- County:
- Ohio County
- County Seat:
- No
- Area (mi²):
- 11.523
- State:
- Indiana
Union township is located in Ohio County, Indiana. Union township has a 2025 population of 448. Union township is currently declining at a rate of -1.54% annually and its population has decreased by -1.54% since the most recent census, which recorded a population of 455 in 2020.
The average household income in Union township is $95,285 with a poverty rate of 3.39%. The median age in Union township is 38.9 years: 31 years for males, and 41.8 years for females.