Cobourg (KO-buhrg), town (1991 pop. 15,079), Northumberland. co., S Ont., Canada, on L. Ontario, 65 mi/105 km ENE of Toronto; 43°58'N 78°10'W. Commuter suburb of Toronto. Port, with mfg. (plastics, fabricated metal prods., machinery, lighting fixtures, chemicals, paper prods.); mixed farming (esp. apples), dairying; popular resort and agr. market.
Capital city or county seat is shown by the symbol