The Boulder mining district was essentially limited to placer mining of those gravels, because the source lodes were in other mining districts in the mountains. As of the census of 2010, there were 1,183 people, 514 households, and 298 families residing in the city. The population density was . There were 565 housing units at an average density of . The racial makeup of the city was 93.6% White, 1.8% Native American, 0.4% Asian, 0.3% from other races, and 3.9% from two or more races. Hispanic or Latino of any race were 2.9% of the population. There were 514 households, of which 23.2% had children under the age of 18 living with them, 42.8% were married couples living together, 9.1% had a female householder with no husband present, 6.0% had a male householder with no wife present, and 42.0% were non-families. 37.9% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.79. The median age in the city was 43.7 years. 18.9% of residents were under the age of 18; 9.3% were between the ages of 18 and 24; 23.5% were from 25 to 44; 34.8% were from 45 to 64; and 13.6% were 65 years of age or older. The gender makeup of the city was 52.4% male and 47.6% female. As of the census of 2000, there were 1,300 people, 508 households, and 316 families residing in the town. The population density was 1,142.7 people per square mile (440.3/km2). There were 568 housing units at an average density of 499.3 per square mile (192.4/km2). The racial makeup of the town was 94.23% White, 0.23% African American, 2.31% Native American, 0.69% Asian, 0.08% Pacific Islander, 0.31% from other races, and 2.15% from two or more races. Hispanic or Latino of any race were 1.15% of the population. There were 508 households out of which 32.7% had children under the age of 18 living with them, 48.6% were married couples living together, 10.4% had a female householder with no husband present, and 37.6% were non-families. 34.8% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older.