Stockport, metropolitan borough (1991 pop. 276,800), W central England, located in the Manchester metropolitan area on the slopes of a narrow valley at the head of the Mersey River. The ravine is crossed by a high railroad viaduct built in the 19th cent. Engineering and cotton textiles are the largest industries; clothing and electronics are also manufactured. There are a 14th-century church and a grammar school founded in the 15th cent. Vernon Park has a museum. Richard Cobden represented Stockport in Parliament from 1841 to 1847.