South Connellsville, PA has a population of 1,819 and is the 11,578th largest city in the United States. The population density is 1,095 per sq mi which is 295% higher than the Pennsylvania average and 1109% higher than the national average. The median age in South Connellsville is 41 which is approximately equal to the Pennsylvania average of 41. In South Connellsville, 63% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 93% of South Connellsville residents were born in Pennsylvania, 7% were born out of state, 0% were born outside of the United States and 0% were foreign born.