
South Palmyra township
- County:
- Macoupin County
- County Seat:
- No
- Area (mi²):
- 36.158
- State:
- Illinois
South Palmyra township is located in Macoupin County, Illinois. South Palmyra township has a 2025 population of 655. South Palmyra township is currently declining at a rate of 0% annually and its population has decreased by -1.36% since the most recent census, which recorded a population of 664 in 2020.
The average household income in South Palmyra township is $85,603 with a poverty rate of 7.22%. The median age in South Palmyra township is 46.7 years: 46.9 years for males, and 46.6 years for females.