New marlborough is located in Berkshire county Massachusetts with a geographic area of square miles. The total population in New marlborough is 1,498 with 48.7% male and 51.3% female. Children under age 5 represent 4.6% of the population, under age 18 equal 18.9% of the population and over age 65 is 28.3% of the population. The median household income is $69,318, per capita income is $44,698. There are a total of 652 housing units with 87.9% owner occupied. Education includes 18.7% of residents that are high school graduates and 52.1% with a bachelor's degree or higher. The average temperature in New marlborough in the summer is 70 degrees, and in the winter 30 degrees.