Cornwallville is located in New York. Cornwallville, New York has a population of 561. Cornwallville is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 21%.
The median household income in Cornwallville, New York is $58,554. The median household income for the surrounding county is $59,599 compared to the national median of $66,222. The median age of people living in Cornwallville is 50.1 years.
The average high temperature in July is 79.44 degrees, with an average low temperature in January of 9.93 degrees. The annual precipitation is 42.7.