Dunkirk is located in Chautauqua county New york with a geographic area of 4.5 square miles. The total population in Dunkirk is 11,812 with 50.5% male and 49.5% female. Children under age 5 represent 4.9% of the population, under age 18 equal 19.3% of the population and over age 65 is 16.5% of the population. The median household income is $36,282, per capita income is $23,911. There are a total of 5,402 housing units with 54.8% owner occupied. Education includes 37.0% of residents that are high school graduates and 15.6% with a bachelor's degree or higher. The average temperature in Dunkirk in the summer is 69 degrees, and in the winter 27 degrees.