
Mill township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 23.179
- State:
- Indiana
Mill township is located in Grant County, Indiana. Mill township has a 2025 population of 10,444. Mill township is currently growing at a rate of 0.32% annually and its population has increased by 0.01% since the most recent census, which recorded a population of 10,443 in 2020.
The average household income in Mill township is $70,844 with a poverty rate of 15.4%. The median age in Mill township is 45.5 years: 45.5 years for males, and 45.5 years for females.