
Union township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 103.421
- State:
- Missouri
Union township is located in Franklin County, Missouri. Union township has a 2025 population of 3,187. Union township is currently declining at a rate of -1.51% annually and its population has decreased by -7.22% since the most recent census, which recorded a population of 3,435 in 2020.
The average household income in Union township is $89,131 with a poverty rate of 21.57%. The median age in Union township is 39.5 years: 31.5 years for males, and 45 years for females.