Orwin, PA has a population of 321 and is the 22,115th largest city in the United States. The population density is 522 per sq mi which is 88% higher than the Pennsylvania average and 477% higher than the national average. The median age in Orwin is 37 which is approximately 10% lower than the Pennsylvania average of 41. In Orwin, 50% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of Orwin residents were born in Pennsylvania, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.