thonotosassa fl is in what county
Thonotosassa, Florida. Homefacts City Report. Thonotosassa is located in Hillsborough County, FL. The population is 12,729. There are 4 public schools in Thonotosassa with an average Homefacts rating of B. The total crime rate for Thonotosassa is moderate, and there are 46 registered sex offenders residing in the city.