what county is ft. gibson oklahoma in
For the adjacent former military installation, see Fort Gibson. For the fort formerly on Ellis Island, see Fort Gibson (New York and New Jersey). Fort Gibson is a town in Muskogee County which has expanded into Cherokee County as it grew in the U.S. state of Oklahoma. The population was 4,154 at the 2010 census, an increase of 2.5 percent from 4,054 at the 2000 census.