Great Valley is located in New York. Great Valley, New York has a population of 1,999. Great Valley is less family-centric than the surrounding county with 20.9% of the households containing married families with children. The county average for households married with children is 26.4%.
The median household income in Great Valley, New York is $50,956. The median household income for the surrounding county is $45,571 compared to the national median of $57,652. The median age of people living in Great Valley is 51.4 years.
The average high temperature in July is 81.4 degrees, with an average low temperature in January of 12.3 degrees. The average rainfall is approximately 44.1 inches per year, with 95.2 inches of snow per year.