
Caledonia
- County:
- Boone County
- County Seat:
- No
- Area (mi²):
- 1.035
- State:
- Illinois
Caledonia is a village located in Boone County, Illinois. Caledonia has a 2025 population of 178. Caledonia is currently declining at a rate of -0.56% annually and its population has decreased by -2.2% since the most recent census, which recorded a population of 182 in 2020.
The average household income in Caledonia is $97,034 with a poverty rate of 7.31%. The median age in Caledonia is 33.7 years: 33.4 years for males, and 39.4 years for females.