Charlo is located in Lake county Montana with a geographic area of 2.0 square miles. The total population in Charlo is 261 with 45.2% male and 54.8% female. Children under age 5 represent 3.4% of the population, under age 18 equal 15.3% of the population and over age 65 is 14.9% of the population. The median household income is $29,250, per capita income is $24,049. There are a total of 137 housing units with 52.6% owner occupied. Education includes 32.1% of residents that are high school graduates and 15.3% with a bachelor's degree or higher. The average temperature in Charlo in the summer is 69 degrees, and in the winter 27 degrees.