Twin bridges is located in Madison county Montana with a geographic area of 1.0 square miles. The total population in Twin bridges is 226 with 52.2% male and 47.8% female. Children under age 5 represent 4.9% of the population, under age 18 equal 15.0% of the population and over age 65 is 32.3% of the population. The median household income is $32,212, per capita income is $24,409. There are a total of 129 housing units with 79.8% owner occupied. Education includes 27.9% of residents that are high school graduates and 25.6% with a bachelor's degree or higher. The average temperature in Twin bridges in the summer is 69 degrees, and in the winter 27 degrees.