 U.S. Route 27 connects Summerville with Chattanooga, Tennessee, to the north, and Rome to the southeast.Georgia State Route 114 connects the city with Lyerly to the south, and Georgia State Route 48 connects the city with Menlo near the Alabama state line to the west.As of the census of 2000, there were 4,556 people, 1,823 households, and 1,141 families residing in the city.