Wormleysburg, PA has a population of 3,074 and is the 8,688th largest city in the United States. The population density is 3,867 per sq mi which is 1295% higher than the Pennsylvania average and 4168% higher than the national average. The median age in Wormleysburg is 33 which is approximately 19% lower than the Pennsylvania average of 41. In Wormleysburg, 52% of the population over 15 years of age are married, 75% speak English and 5% speak Spanish. 59% of Wormleysburg residents were born in Pennsylvania, 15% were born out of state, 1% were born outside of the United States and 24% were foreign born.