LeRoy
- County:
- Boone County
- County Seat:
- No
- Area (mi²):
- 31.258
- State:
- Illinois
LeRoy is located in Boone County, Illinois. LeRoy has a 2025 population of 465 . LeRoy is currently growing at a rate of 0.22% annually but its population has decreased by -1.27% since the most recent census, which recorded a population of 471 in 2020.
The median age in LeRoy is 50 years: 49.8 years for males, and 52 years for females. For every 100 females there are 190.7 males.