Chesterbrook, PA has a population of 4,693 and is the 6,739th largest city in the United States. The population density is 3,013 per sq mi which is 987% higher than the Pennsylvania average and 3225% higher than the national average. The median age in Chesterbrook is 45 which is approximately 11% higher than the Pennsylvania average of 41. In Chesterbrook, 61% of the population over 15 years of age are married, 80% speak English and 2% speak Spanish. 49% of Chesterbrook residents were born in Pennsylvania, 29% were born out of state, 0% were born outside of the United States and 22% were foreign born.