
Armstrong township
- County:
- Vanderburgh County
- County Seat:
- No
- Area (mi²):
- 29.479
- State:
- Indiana
Armstrong township is located in Vanderburgh County, Indiana. Armstrong township has a 2025 population of 1,625. Armstrong township is currently growing at a rate of 0.81% annually and its population has increased by 3.83% since the most recent census, which recorded a population of 1,565 in 2020.
The average household income in Armstrong township is $129,599 with a poverty rate of 8.55%. The median age in Armstrong township is 51.2 years: 52 years for males, and 50.6 years for females.