
Union township
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 48.729
- State:
- Ohio
Union township is located in Fayette County, Ohio. Union township has a 2025 population of 3,571. Union township is currently declining at a rate of -0.2% annually and its population has decreased by -1.38% since the most recent census, which recorded a population of 3,621 in 2020.
The average household income in Union township is $74,047 with a poverty rate of 13.71%. The median age in Union township is 48.2 years: 48.1 years for males, and 50.1 years for females.