St. Martin is located in Jackson County, MS. The population is 6,965, making St. Martin the 6th largest city in Jackson County.
There are 0 public schools in St. Martin with an average Homefacts rating of NA. The total crime rate for St. Martin is moderate , and there are 0 registered sex offenders residing in the city. Unemployment in St. Martin is high and the median home sales price is $0. Detailed and up-to-date St. Martin property reports are available for any property address.