St. Clair is located in Franklin County, MO. The population is 4,720, making St. Clair the 4th largest city in Franklin County.
There are 5 public schools in St. Clair with an average Homefacts rating of B. The total crime rate for St. Clair is moderate , and there are 0 registered sex offenders residing in the city. Unemployment in St. Clair is low and the median home sales price is $0. Detailed and up-to-date St. Clair property reports are available for any property address.
Cities near St. Clair include Central Township, Parkway and Union.