DOWNINGTOWN, a borough of Chester county, Pa., U.S.A., on Brandywine creek, 33m. W. of Philadelphia. It is on the Lincoln highway, and is served by the Pennsylvania and the Reading railways. The population was 4,024 in 192o, and was in 193o by the Federal census. The principal manufac turing industries are paper and woollen mills, brick yards, boiler factories and machine works. Downingtown was settled about 1714 and incorporated in 1859. Valley Forge and the Brandywine battlefield are near by.