Great Valley town is located in Cattaraugus County, New York. Great Valley town has a 2026 population of 1,944. Great Valley town is currently declining at a rate of -0.51% annually and its population has decreased by -2.36% since the most recent census, which recorded a population of 1,991 in 2020.
The median household income in Great Valley town is $68,272 with a poverty rate of 7.41%. The median age in Great Valley town is 51.1 years: 47.4 years for males, and 52.7 years for females. For every 100 females there are 101.4 males.