Hannibal is located in Oswego County, NY. The population is NR.
There are 3 public schools in Hannibal with an average Homefacts rating of C. The total crime rate for Hannibal is moderate , and there are 17 registered sex offenders residing in the city. Unemployment in Hannibal is moderate and the median home sales price is $0. Detailed and up-to-date Hannibal property reports are available for any property address.