Gahanna, OH


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Gahanna is a city in Franklin County, Ohio, United States. The population was 33,248 at the 2010 census.
Gahanna is located at 40°1′36″N 82°52′9″W / 40.02667°N 82.86917°W / 40.02667; -82.86917 (40.026713, -82.869131).
According to the United States Census Bureau, the city has a total area of 12.4 sq mi (32 km2), all of it land.