  thumb|right|250px|carnegie free library (1903)national register of historic places connellsville is a city in fayette county, pennsylvania, usa, 57 miles (92&nbsp;km) southeast of pittsburgh on the youghiogheny river, a tributary of the monongahela river. it is part of the pittsburgh metro area. the population was 7,637 at the 2010 census. ==demographics== {{us census population | 1860= 996 | 1870= 1292 | 1880= 3609 | 1890= 5629 | 1900= 7160 | 1910= 12845 | 1920= 13804 | 1930= 13290 | 1940
Cities_in_Pennsylvania Coal_towns_in_Pennsylvania Pittsburgh_metropolitan_area Populated_places_established_in_1806