
Vienna township
- County:
- Trumbull County
- County Seat:
- No
- Area (mi²):
- 23.418
- State:
- Ohio
Vienna township is located in Trumbull County, Ohio. Vienna township has a 2025 population of 4,049. Vienna township is currently declining at a rate of 0% annually and its population has decreased by -0.25% since the most recent census, which recorded a population of 4,059 in 2020.
The average household income in Vienna township is $95,775 with a poverty rate of 6.95%. The median age in Vienna township is 47.7 years: 47.4 years for males, and 48.1 years for females.