Dunkirk is located in Jay county Indiana with a geographic area of 1.2 square miles. The total population in Dunkirk is 1,923 with 43.4% male and 56.6% female. Children under age 5 represent 5.5% of the population, under age 18 equal 20.6% of the population and over age 65 is 22.0% of the population. The median household income is $37,935, per capita income is $21,070. There are a total of 856 housing units with 75.6% owner occupied. Education includes 47.9% of residents that are high school graduates and 6.1% with a bachelor's degree or higher. The average temperature in Dunkirk in the summer is 72 degrees, and in the winter 29 degrees.