peak of 2,291 in 1940. Present day Mullan is significantly smaller than it was in the heyday of the Morning and Lucky Friday mines. The Mullan School District operates the John Mullan Elementary School (K–6) and the Mullan Junior/Senior High School opened in 1927. Mullan has its own fire department and owns and maintains an Olympic-size swimming pool () for community use. The city is accessed from Interstate 90 at exits 67, 68, and 69. Geography Mullan is located at , at an elevation of above sea level. According to the United States Census Bureau, the city has a total area of , all of it land. Climate According to the Köppen climate classification system, Mullan has a humid continental climate (Köppen Dfb) with four full seasons. Summers are generally warm, with cool nights, while winters are cold and snowy, with annual snowfall averaging 112 inches (284 cm). Demographics 2010 census As of the census of 2010, there were 692 people, 326 households, and 193 families residing in the city. The population density was . There were 434 housing units at an average density of . The racial makeup of the city was 95.8% White, 1.0% Native American, 0.1% Asian, 0.1% Pacific Islander, 0.7% from other races, and 2.2% from two or more races. Hispanic or Latino of any race were 2.2% of the population. There were 326 households, of which 20.2% had children under the age of 18 living with them, 46.3% were married couples living together, 8.0% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 40.8% were non-families. 36.5% of all households were made up of individuals, and 18.1% had someone living alone who was 65 years of age or older. The average household size was 2.12 and the average family size was 2.72. The median age in the city was 48.3 years. 17.9% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 20.9% were from 25 to 44; 33.8% were from 45 to 64; and 20.5% were 65 years of age or older. The gender makeup of the city was 51.9% male and 48.1% female. 2000 census As of the census of 2000, there were 840 people, 367 households, and 227 families residing in the city. The population density was . There were 456 housing units at an average