
Sunbury township
- County:
- Livingston County
- County Seat:
- No
- Area (mi²):
- 36.495
- State:
- Illinois
Sunbury township is located in Livingston County, Illinois. Sunbury township has a 2025 population of 215. Sunbury township is currently declining at a rate of -0.92% annually and its population has decreased by -3.59% since the most recent census, which recorded a population of 223 in 2020.
The average household income in Sunbury township is $95,795 with a poverty rate of 12.35%. The median age in Sunbury township is 52.3 years: 46.2 years for males, and 52.7 years for females.