Saco is located in Phillips county Montana with a geographic area of 0.3 square miles. The total population in Saco is 279 with 43.4% male and 56.6% female. Children under age 5 represent 10.4% of the population, under age 18 equal 17.6% of the population and over age 65 is 15.1% of the population. The median household income is $44,236, per capita income is $25,024. There are a total of 123 housing units with 75.6% owner occupied. Education includes 51.2% of residents that are high school graduates and 10.6% with a bachelor's degree or higher. The average temperature in Saco in the summer is 69 degrees, and in the winter 27 degrees.