DUNMORE, a borough of Lackawanna county, Pa., U.S.A., adjoining Scranton on the north-east. It is served by the Erie, the Lackawanna, and the Lackawanna and Wyoming Valley (elec tric) railways. The population was 20,250 in 192o (22% foreign born white), and it was 22,627 in 193o by the Federal census. Anthracite mining and work on the railroads are the principal occupations. There are also car shops, silk mills, and stove works. The Pennsylvania Oral school is here. Dunmore was settled in 1783 and was incorporated as a borough in 1862.