Hiller, PA has a population of 1,299 and is the 13,557th largest city in the United States. The population density is 853 per sq mi which is 208% higher than the Pennsylvania average and 842% higher than the national average. The median age in Hiller is 54 which is approximately 33% higher than the Pennsylvania average of 41. In Hiller, 71% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 70% of Hiller residents were born in Pennsylvania, 30% were born out of state, 0% were born outside of the United States and 0% were foreign born.