Milton is a borough in Northumberland County, Pennsylvania, on the Susquehanna River, 50 miles north of Harrisburg. Settled in 1770, it was incorporated in 1817, and is governed by a charter that was revised in 1890. Formerly, its extensive manufacturing plants included car and woodworking machinery shops, rolling, flour, knitting, planing, and saw mills; washer, nut, and bolt works; and furniture, shoe, couch, nail, fly net, bamboo novelty, and paper-box factories. In 1900, 6,175 people lived in Milton. In 1940, 8,313 people lived here. The population was 6,650 at the 2000 census. Milton apartments for rent comparison page shows most up to date rent information on Milton apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.