Sidney is located in Kennebec county Maine with a geographic area of square miles. The total population in Sidney is 4,418 with 50.5% male and 49.5% female. Children under age 5 represent 6.3% of the population, under age 18 equal 21.6% of the population and over age 65 is 13.7% of the population. The median household income is $65,321, per capita income is $32,473. There are a total of 1,766 housing units with 87.6% owner occupied. Education includes 27.0% of residents that are high school graduates and 34.3% with a bachelor's degree or higher. The average temperature in Sidney in the summer is 68 degrees, and in the winter 25 degrees.
