A general overview of the cost of living index for Mattituck, NY is displayed above. In Mattituck, NY, the overall cost of living index is 175, which is 49% higher than the New York average and 75% higher than the U.S. average. The following categories are used to calculate the overall cost of living index: goods/services (33%), housing (30%), groceries (13%), utilities (10%), transportation (9%) and health care (5%). From the list, it is clear that the categories of goods/services and housing are responsible for the largest portions of the overall cost of living index. As a general rule, everyday goods and services provide an accurate measure of the general cost of goods in any given city. In the case of Mattituck, NY, the city's goods and services are 15% higher than the New York average and 25% higher than the U.S. average.