
Harristown
- County:
- Macon County
- County Seat:
- No
- Area (mi²):
- 1.797
- State:
- Illinois
Harristown is a village located in Macon County, Illinois. Harristown has a 2025 population of 1,237. Harristown is currently declining at a rate of -1.12% annually and its population has decreased by -5.5% since the most recent census, which recorded a population of 1,309 in 2020.
The average household income in Harristown is $90,589 with a poverty rate of 7.18%. The median age in Harristown is 39.4 years: 39.1 years for males, and 39.5 years for females.