Vienna township
- County:
- Rock County
- County Seat:
- No
- Area (mi²):
- 34.966
- State:
- Minnesota
Vienna township is located in Rock County, Minnesota. Vienna township has a 2026 population of 149. Vienna township is currently declining at a rate of -0.67% annually and its population has decreased by -3.25% since the most recent census, which recorded a population of 154 in 2020.
The median household income in Vienna township is $74,375 with a poverty rate of 9.01%. The median age in Vienna township is 49.5 years: 52.8 years for males, and 47 years for females. For every 100 females there are 152.3 males.