
Blue River township
- County:
- Johnson County
- County Seat:
- No
- Area (mi²):
- 24.285
- State:
- Indiana
Blue River township is located in Johnson County, Indiana. Blue River township has a 2025 population of 4,879. Blue River township is currently growing at a rate of 0.68% annually and its population has increased by 1.12% since the most recent census, which recorded a population of 4,825 in 2020.
The average household income in Blue River township is $68,408 with a poverty rate of 11.41%. The median age in Blue River township is 40.5 years: 43.1 years for males, and 38.2 years for females.