Cainsville is located in Harrison County, MO. The population is 255, making Cainsville the 6th largest city in Harrison County.
There are 2 public schools in Cainsville with an average Homefacts rating of C. The total crime rate for Cainsville is very low, and there are 7 registered sex offenders residing in the city. Unemployment in Cainsville is low and the median home sales price is $0. Detailed and up-to-date Cainsville property reports are available for any property address.