Courtdale, PA has a population of 705 and is the 17,436th largest city in the United States. The population density is 701 per sq mi which is 153% higher than the Pennsylvania average and 673% higher than the national average. The median age in Courtdale is 49 which is approximately 20% higher than the Pennsylvania average of 41. In Courtdale, 64% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 89% of Courtdale residents were born in Pennsylvania, 8% were born out of state, 1% were born outside of the United States and 1% were foreign born.