
Union
- County:
- Greene County
- County Seat:
- No
- Area (mi²):
- 0.821
- State:
- Alabama
Union is a town located in Greene County, Alabama. Union has a 2025 population of 160. Union is currently declining at a rate of -1.84% annually and its population has decreased by -9.6% since the most recent census, which recorded a population of 177 in 2020.
The average household income in Union is $73,528 with a poverty rate of 23.26%. The median age in Union is 55 years: 40.1 years for males, and 60 years for females.