BERWICK, a manufacturing borough of Columbia county (Pa.), U.S.A., on the Susquehanna river, 25m. S.W. of Wilkes Barre. It is served by the Pennsylvania and the Lackawanna rail ways. The population was 3,916 in 'goo; 12,181 in 1920; and was 12,66o in 1930 by the Federal census. It has steel rolling, planing, and flour mills, and manufactures steel cars, nuts, bolts, silk, shirts, knitted goods, auto bodies and food products. The largest plant of the American Car and Foundry Company is here.