Julian, PA has a population of 171 and is the 25,127th largest city in the United States. The population density is 1,154 per sq mi which is 317% higher than the Pennsylvania average and 1174% higher than the national average. The median age in Julian is 50 which is approximately 22% higher than the Pennsylvania average of 41. In Julian, 37% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 91% of Julian residents were born in Pennsylvania, 9% were born out of state, 0% were born outside of the United States and 0% were foreign born.