RIVERHEAD, a town of the county of Kent, in the lathe of Sutton and hundred of Codsheth, twenty-two miles from London. The river Darent, which rises within the parish, has given its name to it. In this parish is the elegant seat of Lord Amherst, called Montreal. A new church in the Gothic style has been lately erected and consecrated. It is situated within the parish of Seven Oaks. The population was in 1801, 750; in 1811, 1012; in 1821, 1216; and in 1831, 1420.