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 2026 population of 509. Union township is currently declining at a rate of -0.2% annually but its population has increased by 0.39% since the most recent census, which recorded a population of 507 in 2020.
The median household income in Union township is $72,348 with a poverty rate of 9.23%. The median age in Union township is 32.4 years: 32.6 years for males, and 32.1 years for females. For every 100 females there are 81.8 males.