Caledonia is located in Washington County, MO. The population is 165, making Caledonia the 4th largest city in Washington County.
There are 3 public schools in Caledonia with an average Homefacts rating of C-. The total crime rate for Caledonia is very low, and there are 4 registered sex offenders residing in the city. Unemployment in Caledonia is moderate and the median home sales price is $0.