Afton, NY has a population of 1,079 and is the 14,673rd largest city in the United States. The population density is 707 per sq mi which is 97% higher than the New York average and 680% higher than the national average. The median age in Afton is 47 which is approximately 23% higher than the New York average of 38. In Afton, 56% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 81% of Afton residents were born in New York, 17% were born out of state, 2% were born outside of the United States and 1% were foreign born.