Middlesex county. Nashua river waters the N.W. part of the town, and passes into Nashua, N.H. The surface of the town is level;—some part of it is good land, but generally it is light and sandy. It has no manufactures, and only 315 sheep. Population, 1837, 570. Incorporated 1683. Dunstable lies 27 miles N.W. from Boston, 18 N. by W. from Concord, and 6 S. from Nashua.