
Union township
- County:
- Davison County
- County Seat:
- No
- Area (mi²):
- 36.173
- State:
- South Dakota
Union township is located in Davison County, South Dakota. Union township has a 2025 population of 74. Union township is currently declining at a rate of 0% annually and its population has decreased by -1.33% since the most recent census, which recorded a population of 75 in 2020.
The average household income in Union township is $96,158 with a poverty rate of 5.41%. The median age in Union township is 58.8 years: 59.3 years for males, and 58.6 years for females.