COLLINGSWOOD, a borough of Camden county (N.J.), U.S.A., 3m. S.E. of.Camden on the Pennsylvania railroad. It has some manufactures, including loom works and printing, but is primarily a suburban residence town, with a population of 8,714 in 192o, and 12,723 (Federal census) in 193o. A commission form of government was adopted in 1917.