Plymouth is located in Chenango county New york with a geographic area of square miles. The total population in Plymouth is 1,623 with 53.9% male and 46.1% female. Children under age 5 represent 6.3% of the population, under age 18 equal 21.7% of the population and over age 65 is 18.4% of the population. The median household income is $62,768, per capita income is $29,151. There are a total of 709 housing units with 85.0% owner occupied. Education includes 49.8% of residents that are high school graduates and 16.6% with a bachelor's degree or higher. The average temperature in Plymouth in the summer is 70 degrees, and in the winter 27 degrees.