East Prospect, PA has a population of 1,025 and is the 14,994th largest city in the United States. The population density is 3,207 per sq mi which is 1057% higher than the Pennsylvania average and 3440% higher than the national average. The median age in East Prospect is 34 which is approximately 16% lower than the Pennsylvania average of 41. In East Prospect, 62% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 82% of East Prospect residents were born in Pennsylvania, 15% were born out of state, 0% were born outside of the United States and 3% were foreign born.