Belfast is located in Allegany county New york with a geographic area of 1.5 square miles. The total population in Belfast is 752 with 48.4% male and 51.6% female. Children under age 5 represent 3.6% of the population, under age 18 equal 27.8% of the population and over age 65 is 9.4% of the population. The median household income is $58,958, per capita income is $24,177. There are a total of 302 housing units with 70.5% owner occupied. Education includes 44.0% of residents that are high school graduates and 21.9% with a bachelor's degree or higher. The average temperature in Belfast in the summer is 70 degrees, and in the winter 27 degrees.