The second largest city in Ireland, Cork has an economy focused on the city centre, which as of 2011, supported employment for 24,092 people. According to 2006 figures, the top five employers in the area were public sector organisations, and included Cork University Hospital, University College Cork, Collins Barracks, Cork City Council and Cork Institute of Technology. Apple Inc. was the sixth largest employer, followed by Supervalu / Centra Distribution Ltd, Mercy University Hospital, Bon Secours Hospital and Boston Scientific.
Most of the industry in Cork is concentrated around the Greater Cork area, taking in Cork city and its hinterland, supported by the Cork Suburban Rail network.
The immediate Cork city area has a population of 150,000 in the city and suburbs, while another 150,000 live within the commuter belt giving Metropolitan Cork a population of c. 300,000. Large city suburbs include Douglas (25,000), Bishopstown (13,000) and Mahon (12,000). Larger towns in the commuter belt are: Ballincollig (20,000), Glanmire (15,000), Carrigaline (13,000), Cóbh (12,887), Mallow (11,000), Midleton (10,336), Youghal (7,000), Fermoy (7,000), Bandon (6,000), Carrigtwohill (6,000), Blarney (5,000), Passage West (5,000), Kinsale (4,000), Macroom (4,000) and Ringaskiddy.