Rome is the largest city in and the county seat of Floyd County, Georgia, United States. Located in the foothills of the Appalachian Mountains, …Rome is the largest city in and the county seat of Floyd County, Georgia, United States. Located in the foothills of the Appalachian Mountains, it is the principal city of the Rome, Georgia, metropolitan statistical area, which encompasses all of Floyd County. At the 2020 census, the city had a population of 37,713. It is the largest city in Northwest Georgia and the 26th-largest city in the state.