Avon, PA has a population of 1,732 and is the 11,878th largest city in the United States. The population density is 1,248 per sq mi which is 350% higher than the Pennsylvania average and 1277% higher than the national average. The median age in Avon is 42 which is approximately 4% higher than the Pennsylvania average of 41. In Avon, 66% of the population over 15 years of age are married, 96% speak English and 1% speak Spanish. 88% of Avon residents were born in Pennsylvania, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.