Mullan is located in Shoshone county Idaho with a geographic area of 0.8 square miles. The total population in Mullan is 784 with 41.5% male and 58.5% female. Children under age 5 represent 8.9% of the population, under age 18 equal 28.7% of the population and over age 65 is 21.9% of the population. The median household income is $44,545, per capita income is $23,243. There are a total of 312 housing units with 76.6% owner occupied. Education includes 31.7% of residents that are high school graduates and 15.1% with a bachelor's degree or higher. The average temperature in Mullan in the summer is 62 degrees, and in the winter 24 degrees.