Engelmann township
- County:
- St. Clair County
- County Seat:
- No
- Area (mi²):
- 29.581
- State:
- Illinois
Engelmann township is located in St. Clair County, Illinois. Engelmann township has a 2026 population of 730. Engelmann township is currently declining at a rate of -0.27% annually and its population has decreased by -3.31% since the most recent census, which recorded a population of 755 in 2020.
The median household income in Engelmann township is $143,333 with a poverty rate of 2.11%. The median age in Engelmann township is 57.4 years: 56.8 years for males, and 57.5 years for females. For every 100 females there are 111.1 males.