Macon is a city located in central Georgia, USA. It is among the largest metropolitan areas in Georgia, and the county seat of Bibb County. A small portion of the city extends into Jones County. It lies near the geographic center of Georgia, approximately 85 miles (136 km) south of Atlanta, hence the city's nickname as the Heart of Georgia. As of 2008, Macon had an estimated population of 92,775; the Macon, Georgia metropolitan area had an estimated population of 230,777 and the Macon-Warner Robins-Fort Valley Combined Statistical Area had an estimated population of 386,534. In terms of population, Macon is the sixth-largest city, fifth-largest Metropolitan Statistical Area, and fifth-largest Combined Statistical Area in Georgia. Macon-Warner Robins-Fort Valley, GA Combined Statistical Area (CSA) includes 7 Georgia counties. Robins Air Force Base, the largest employer in middle Georgia, is just south of the city in Warner Robins. The area is also home to several institutions of higher education, as well as numerous museums and tourism sites. The area is served by the Middle Georgia Regional Airport and the Herbert Smart Downtown Airport. The current mayor of Macon is Robert Reichert, a former Democratic member of the Georgia House of Representatives. Perhaps its most colorful mayor with national recognition was Ronnie Thompson, who served from 1967–1975 and was the first of thus far two Republicans to have held the position, the other being George Israel (1979–1987).