Centralia is located in Boone County, MO. The population is 4,045, making Centralia the 2nd largest city in Boone County.
There are 4 public schools in Centralia with an average Homefacts rating of B+. The total crime rate for Centralia is very low, and there are 14 registered sex offenders residing in the city. Unemployment in Centralia is low and the median home sales price is $0.