Wellesley Island is located in New York. Wellesley Island, New York has a population of 394. Wellesley Island is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 31.71%.
The median household income in Wellesley Island, New York is $70,139. The median household income for the surrounding county is $58,271 compared to the national median of $69,021. The median age of people living in Wellesley Island is 67 years.
The average high temperature in July is 79.9 degrees, with an average low temperature in January of 7.8 degrees. The average rainfall is approximately 38.7 inches per year, with 98.8 inches of snow per year.
