Sidney is located in Richland county Montana with a geographic area of 3.3 square miles. The total population in Sidney is 6,351 with 50.2% male and 49.8% female. Children under age 5 represent 5.8% of the population, under age 18 equal 26.1% of the population and over age 65 is 11.0% of the population. The median household income is $60,284, per capita income is $29,636. There are a total of 2,504 housing units with 61.5% owner occupied. Education includes 34.1% of residents that are high school graduates and 18.2% with a bachelor's degree or higher. The average temperature in Sidney in the summer is 69 degrees, and in the winter 27 degrees.
