
Symmes township
- County:
- Edgar County
- County Seat:
- No
- Area (mi²):
- 42.343
- State:
- Illinois
Symmes township is located in Edgar County, Illinois. Symmes township has a 2025 population of 942. Symmes township is currently declining at a rate of -0.21% annually and its population has decreased by -3.29% since the most recent census, which recorded a population of 974 in 2020.
The average household income in Symmes township is $122,985 with a poverty rate of 6.33%. The median age in Symmes township is 54.1 years: 55.9 years for males, and 52.2 years for females.