Catoosa County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 63,942. The county seat is Ringgold. The county was created on December 5, 1853. The meaning of the Cherokee language name "Catoosa" is obscure.Catoosa County is part of the Chattanooga, TN–GA Metropolitan Statistical Area.On April 27, 2011 a devastating tornado touched down in the town of Ringgold, located in Catoosa County, leaving a path of severe destruction.