Pillow, PA has a population of 270 and is the 23,016th largest city in the United States. The population density is 547 per sq mi which is 97% higher than the Pennsylvania average and 504% higher than the national average. The median age in Pillow is 39 which is approximately 4% lower than the Pennsylvania average of 41. In Pillow, 63% of the population over 15 years of age are married, 83% speak English and 9% speak Spanish. 89% of Pillow residents were born in Pennsylvania, 5% were born out of state, 2% were born outside of the United States and 4% were foreign born.