Hamilton is located in Ravalli county Montana with a geographic area of 2.4 square miles. The total population in Hamilton is 4,827 with 45.7% male and 54.3% female. Children under age 5 represent 7.5% of the population, under age 18 equal 14.4% of the population and over age 65 is 31.3% of the population. The median household income is $36,117, per capita income is $25,461. There are a total of 2,659 housing units with 50.7% owner occupied. Education includes 19.6% of residents that are high school graduates and 34.0% with a bachelor's degree or higher. The average temperature in Hamilton in the summer is 64 degrees, and in the winter 27 degrees.