
Union
- County:
- Broome County
- County Seat:
- No
- Area (mi²):
- 35.435
- State:
- New York
Union is located in Broome County, New York. Union has a 2025 population of 53,257. Union is currently declining at a rate of -1.05% annually and its population has decreased by -4.8% since the most recent census, which recorded a population of 55,944 in 2020.
The average household income in Union is $79,210 with a poverty rate of 17.31%. The median age in Union is 41.7 years: 39.7 years for males, and 43.4 years for females.