
Solon Mills
- County:
- McHenry County
- County Seat:
- No
- Area (mi²):
- 0.195
- State:
- Illinois
Solon Mills is a CDP located in McHenry County, Illinois. Solon Mills has a 2025 population of 505. Solon Mills is currently growing at a rate of 7.22% annually and its population has increased by 185.31% since the most recent census, which recorded a population of 177 in 2020.
The average household income in Solon Mills is $459,252 with a poverty rate of 0%. The median age in Solon Mills is 57.8 years: 58.1 years for males, and 42.7 years for females.