
Harristown township
- County:
- Macon County
- County Seat:
- No
- Area (mi²):
- 28.094
- State:
- Illinois
Harristown township is located in Macon County, Illinois. Harristown township has a 2025 population of 1,673. Harristown township is currently declining at a rate of -0.83% annually and its population has decreased by -4.73% since the most recent census, which recorded a population of 1,756 in 2020.
The average household income in Harristown township is $100,724 with a poverty rate of 5.97%. The median age in Harristown township is 45.3 years: 44 years for males, and 45.9 years for females.