Jefferson city is located in Jefferson county Montana with a geographic area of 23.2 square miles. The total population in Jefferson city is 596 with 52.7% male and 47.3% female. Children under age 5 represent 5.2% of the population, under age 18 equal 29.7% of the population and over age 65 is 21.5% of the population. The median household income is $61,216, per capita income is $25,944. There are a total of 224 housing units with 86.2% owner occupied. Education includes 42.4% of residents that are high school graduates and 9.4% with a bachelor's degree or higher. The average temperature in Jefferson city in the summer is 69 degrees, and in the winter 27 degrees.
