Union township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 47.385
- State:
- Missouri
Union township is located in Franklin County, Missouri. Union township has a 2026 population of 405. Union township is currently declining at a rate of -1.46% annually and its population has decreased by -5.59% since the most recent census, which recorded a population of 429 in 2020.
The median household income in Union township is $74,750 with a poverty rate of 8.56%. The median age in Union township is 38.9 years: 43.3 years for males, and 38 years for females. For every 100 females there are 94.7 males.