
South Litchfield township
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 37.152
- State:
- Illinois
South Litchfield township is located in Montgomery County, Illinois. South Litchfield township has a 2025 population of 3,154. South Litchfield township is currently declining at a rate of -0.94% annually and its population has decreased by -3.9% since the most recent census, which recorded a population of 3,282 in 2020.
The average household income in South Litchfield township is $62,648 with a poverty rate of 21.64%. The median age in South Litchfield township is 44.8 years: 43.4 years for males, and 50.6 years for females.