Martin city is located in Flathead county Montana with a geographic area of 1.7 square miles. The total population in Martin city is 369 with 53.1% male and 46.9% female. Children under age 5 represent 5.1% of the population, under age 18 equal 14.9% of the population and over age 65 is 32.5% of the population. The median household income is $29,125, per capita income is $20,581. There are a total of 198 housing units with 77.8% owner occupied. Education includes 49.0% of residents that are high school graduates and 21.7% with a bachelor's degree or higher. The average temperature in Martin city in the summer is 69 degrees, and in the winter 27 degrees.