Wallingford
a borough of Connecticut, in the town of the same name, in New Haven co. It is on the Quinnipiac river, and on the New York, New Haven and Hartford railroad. Its industries include the manufacture of silver goods, plated goods, wire, brassware, hardware, iron and brass bedsteads, etc.
It has a sanitarium, a public library, a Masonic Home, and other public buildings. Pop. (1910) 8,690; (1920) 9,648.