
Mount Vernon township
- County:
- Davison County
- County Seat:
- No
- Area (mi²):
- 36.171
- State:
- South Dakota
Mount Vernon township is located in Davison County, South Dakota. Mount Vernon township has a 2025 population of 163. Mount Vernon township is currently declining at a rate of -0.61% annually and its population has decreased by -1.81% since the most recent census, which recorded a population of 166 in 2020.
The average household income in Mount Vernon township is $98,797 with a poverty rate of 0%. The median age in Mount Vernon township is 34.6 years: 38.3 years for males, and 34.1 years for females.