
Speedwell township
- County:
- St. Clair County
- County Seat:
- No
- Area (mi²):
- 65.451
- State:
- Missouri
Speedwell township is located in St. Clair County, Missouri. Speedwell township has a 2025 population of 349. Speedwell township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Speedwell township is $58,738 with a poverty rate of 11.46%. The median age in Speedwell township is 59.8 years: 57.5 years for males, and 64.2 years for females.