Gahanna, Ohio

Gahanna, Ohio
Motto(s): 
Live, Work, Play
Location of Gahanna within Franklin County
Gahanna
Gahanna
Coordinates: 40°00′38″N 82°51′32″W / 40.01056°N 82.85889°W / 40.01056; -82.85889
CountryUnited States
StateOhio
CountyFranklin
Area
  Total
12.60 sq mi (32.65 km2)
  Land12.43 sq mi (32.20 km2)
  Water0.17 sq mi (0.45 km2)
Elevation
794 ft (242 m)
Population
 (2020)
  Total
35,726
  Estimate 
(2023)
35,159
  Density2,873.71/sq mi (1,109.50/km2)
Time zoneUTC−5 (Eastern (EST))
  Summer (DST)UTC−4 (EDT)
ZIP Code
43230
Area code(s)614 and 380
FIPS code39-29106
GNIS feature ID2394837
Websitewww.gahanna.gov

Gahanna is a city in northeastern Franklin County, Ohio, United States. It is a suburb of Columbus. The population was 35,726 at the 2020 census. It was founded in 1849.