York, PA has a population of 43,848 and is the 936th largest city in the United States. The population density is 8,284 per sq mi which is 2889% higher than the Pennsylvania average and 9043% higher than the national average. The median age in York is 31 which is approximately 25% lower than the Pennsylvania average of 41. In York, 35% of the population over 15 years of age are married, 76% speak English and 22% speak Spanish. 60% of York residents were born in Pennsylvania, 25% were born out of state, 8% were born outside of the United States and 7% were foreign born.