Birdsboro, PA has a population of 5,145 and is the 6,338th largest city in the United States. The population density is 3,849 per sq mi which is 1241% higher than the Pennsylvania average and 4148% higher than the national average. The median age in Birdsboro is 41 which is approximately equal to the Pennsylvania average of 41. In Birdsboro, 60% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 80% of Birdsboro residents were born in Pennsylvania, 16% were born out of state, 2% were born outside of the United States and 2% were foreign born.