Rio is located in Martin County, FL. The population is 823, making Rio the 9th largest city in Martin County.
There are 0 public schools in Rio with an average Homefacts rating of NA. The total crime rate for Rio is moderate , and there are 0 registered sex offenders residing in the city. Unemployment in Rio is low and the median home sales price is $0. Detailed and up-to-date Rio property reports are available for any property address.
Cities near Rio include Stuart, Jensen Beach and Ocean Breeze Park.