GROVE CITY, a borough of Mercer county, Pa., U.S.A., on Wolf creek, 65m. N. of Pittsburgh. It is served b; the Bessemer and Lake Erie railroad. The population in 192o was 4,944 native white) and was 6,156 in 193o by the Federal census. It is a coal-mining and dairying centre, and has various manufactures, including lumber, flour, brooms, motor trucks, bus bodies and gas engines. An experimental creamery is conducted by the U.S. de partment of agriculture. Grove City college, opened as an academy in 1876, occupies 6oac. in the heart of the town. The borough of Grove City, previously the town of Pine Grove, was incorpo rated in 1883.