Mill Village, PA has a population of 444 and is the 20,289th largest city in the United States. The population density is 483 per sq mi which is 74% higher than the Pennsylvania average and 433% higher than the national average. The median age in Mill Village is 45 which is approximately 11% higher than the Pennsylvania average of 41. In Mill Village, 64% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 90% of Mill Village residents were born in Pennsylvania, 10% were born out of state, 0% were born outside of the United States and 0% were foreign born.