Ballarat Central is the central locality of Greater Ballarat in Victoria, Australia. The population of Ballarat Central at the 2021 census was 5,378, making it the sixth most populous in the urban area. It is the administrative headquarters for the City of Ballarat as well as the Ballarat Base Hospital and health services and home to the city's major religiā¦Ballarat Central is the central locality of Greater Ballarat in Victoria, Australia. The population of Ballarat Central at the 2021 census was 5,378, making it the sixth most populous in the urban area. It is the administrative headquarters for the City of Ballarat as well as the Ballarat Base Hospital and health services and home to the city's major religious institutions and a major retail, commercial and inner city residential area.