
St. Joseph township
- County:
- Allen County
- County Seat:
- No
- Area (mi²):
- 35.147
- State:
- Indiana
St. Joseph township is located in Allen County, Indiana. St. Joseph township has a 2025 population of 79,346. St. Joseph township is currently growing at a rate of 0.74% annually and its population has increased by 3.73% since the most recent census, which recorded a population of 76,494 in 2020.
The average household income in St. Joseph township is $89,445 with a poverty rate of 10.28%. The median age in St. Joseph township is 35.4 years: 33.5 years for males, and 37.3 years for females.