
St. Joseph township
- County:
- Williams County
- County Seat:
- No
- Area (mi²):
- 34.956
- State:
- Ohio
St. Joseph township is located in Williams County, Ohio. St. Joseph township has a 2025 population of 2,620. St. Joseph township is currently growing at a rate of 0.08% annually but its population has decreased by -0.87% since the most recent census, which recorded a population of 2,643 in 2020.
The average household income in St. Joseph township is $67,739 with a poverty rate of 14.92%. The median age in St. Joseph township is 45.3 years: 40 years for males, and 48.6 years for females.