
West Union
- County:
- Adams County
- County Seat:
- Yes
- Area (mi²):
- 2.831
- State:
- Ohio
West Union is a village located in Adams County, Ohio. West Union has a 2025 population of 3,081. It is also the county seat of .West Union is currently growing at a rate of 0.49% annually and its population has increased by 2.53% since the most recent census, which recorded a population of 3,005 in 2020.
The average household income in West Union is $42,638 with a poverty rate of 37.26%. The median age in West Union is 42.8 years: 36.8 years for males, and 46.9 years for females.