Interlaken is located in Seneca county New york with a geographic area of 0.3 square miles. The total population in Interlaken is 576 with 45.5% male and 54.5% female. Children under age 5 represent 5.0% of the population, under age 18 equal 20.3% of the population and over age 65 is 25.3% of the population. The median household income is $52,105, per capita income is $27,916. There are a total of 288 housing units with 66.3% owner occupied. Education includes 23.3% of residents that are high school graduates and 37.8% with a bachelor's degree or higher. The average temperature in Interlaken in the summer is 70 degrees, and in the winter 27 degrees.