
Millgrove township
- County:
- Steuben County
- County Seat:
- No
- Area (mi²):
- 22.03
- State:
- Indiana
Millgrove township is located in Steuben County, Indiana. Millgrove township has a 2025 population of 1,621. Millgrove township is currently growing at a rate of 0.5% annually and its population has increased by 2.4% since the most recent census, which recorded a population of 1,583 in 2020.
The average household income in Millgrove township is $79,208 with a poverty rate of 6.99%. The median age in Millgrove township is 48.3 years: 47.2 years for males, and 49.3 years for females.