Caledonia, Illinois
Caledonia, Illinois 
    Caledonia Junction  | |
|---|---|
Location of Caledonia in Boone County, Illinois.  | |
Location of Illinois in the United States  | |
| Coordinates: 42°22′04″N 88°53′33″W / 42.36778°N 88.89250°W | |
| Country | United States | 
| State | Illinois | 
| County | Boone | 
| Township | Caledonia | 
| Established | 1854 | 
| Incorporated | 1996 | 
| Area | |
 • Total  | 1.03 sq mi (2.68 km2) | 
| • Land | 1.03 sq mi (2.68 km2) | 
| • Water | 0.00 sq mi (0.00 km2) 0% | 
| Population  (2020)  | |
 • Total  | 183 | 
| • Density | 176.81/sq mi (68.28/km2) | 
| Time zone | UTC-6 (CST) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP Code | 61011  | 
| Area code | 815 | 
| FIPS code | 17-10422 | 
| Wikimedia Commons | Caledonia, Illinois | 
| Website | www | 
Caledonia is a village in Caledonia Township, Boone County, Illinois, United States. It is part of the Rockford, Illinois Metropolitan Statistical Area. The population was 183 at the 2020 census.