Emsworth, PA has a population of 2,443 and is the 9,978th largest city in the United States. The population density is 4,296 per sq mi which is 1450% higher than the Pennsylvania average and 4642% higher than the national average. The median age in Emsworth is 39 which is approximately 5% lower than the Pennsylvania average of 41. In Emsworth, 50% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 85% of Emsworth residents were born in Pennsylvania, 12% were born out of state, 1% were born outside of the United States and 2% were foreign born.