Marcy is located in Oneida county New york with a geographic area of 1.7 square miles. The total population in Marcy is 834 with 45.3% male and 54.7% female. Children under age 5 represent 8.4% of the population, under age 18 equal 16.5% of the population and over age 65 is 16.7% of the population. The median household income is $57,000, per capita income is $39,062. There are a total of 404 housing units with 38.6% owner occupied. Education includes 23.0% of residents that are high school graduates and 42.1% with a bachelor's degree or higher. The average temperature in Marcy in the summer is 70 degrees, and in the winter 27 degrees.