Pillow, PA has a population of 267 and is the 23,075th largest city in the United States. The population density is 541 per sq mi which is 91% higher than the Pennsylvania average and 497% higher than the national average. The median age in Pillow is 38 which is approximately 7% lower than the Pennsylvania average of 40. In Pillow, 67% of the population over 15 years of age are married, 85% speak English and 7% speak Spanish. 90% of Pillow residents were born in Pennsylvania, 3% were born out of state, 3% were born outside of the United States and 4% were foreign born.