Union
- County:
- Randolph County
- County Seat:
- No
- Area (mi²):
- 47.612
- State:
- Arkansas
Union is located in Randolph County, Arkansas. Union has a 2025 population of 46 . Union is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Union is 36.8 years: 44.4 years for males, and 27.5 years for females. For every 100 females there are 76.9 males.