Grand Island is located in New York. Grand Island, New York has a population of 21,340. Grand Island is more family-centric than the surrounding county with 32.69% of the households containing married families with children. The county average for households married with children is 26.77%.
The median household income in Grand Island, New York is $97,128. The median household income for the surrounding county is $62,578 compared to the national median of $69,021. The median age of people living in Grand Island is 44.6 years.
The average high temperature in July is 81.3 degrees, with an average low temperature in January of 16.3 degrees. The average rainfall is approximately 36.6 inches per year, with 84.2 inches of snow per year.