Sullivan is located in Sullivan County, IN. The population is 4,248, making Sullivan the largest city in Sullivan County.
There are 4 public schools in Sullivan with an average Homefacts rating of B-. The total crime rate for Sullivan is very low , and there are 16 registered sex offenders residing in the city. Unemployment in Sullivan is moderate and the median home sales price is $0. Detailed and up-to-date Sullivan property reports are available for any property address.