
Union township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 35.901
- State:
- Missouri
Union township is located in Franklin County, Missouri. Union township has a 2025 population of 507. Union township is currently declining at a rate of -0.2% annually but its population has increased by 0.2% since the most recent census, which recorded a population of 506 in 2020.
The average household income in Union township is $79,809 with a poverty rate of 11.7%. The median age in Union township is 32.6 years: 32.9 years for males, and 22.9 years for females.