Denmark is located in Lewis county New york with a geographic area of square miles. The total population in Denmark is 2,799 with 51.6% male and 48.4% female. Children under age 5 represent 4.6% of the population, under age 18 equal 25.8% of the population and over age 65 is 16.4% of the population. The median household income is $60,365, per capita income is $26,913. There are a total of 987 housing units with 75.7% owner occupied. Education includes 43.9% of residents that are high school graduates and 22.4% with a bachelor's degree or higher. The average temperature in Denmark in the summer is 70 degrees, and in the winter 27 degrees.