Gahanna is located in Franklin County, OH. The population is 33,714, making Gahanna the 6th largest city in Franklin County.
There are 11 public schools in Gahanna with an average Homefacts rating of B+. The total crime rate for Gahanna is low , and there are 10 registered sex offenders residing in the city. Unemployment in Gahanna is moderate and the median home sales price is $0. Detailed and up-to-date Gahanna property reports are available for any property address.
Cities near Gahanna include Mifflin Township, Blendon Township and Clinton Township.