Sebastian is located in Indian River County, FL. The population is 22,124, making Sebastian the 2nd largest city in Indian River County.
There are 7 public schools in Sebastian with an average Homefacts rating of C+. The total crime rate for Sebastian is low , and there are 49 registered sex offenders residing in the city. Unemployment in Sebastian is moderate and the median home sales price is $0. Detailed and up-to-date Sebastian property reports are available for any property address.