Colstrip is a city in Rosebud County, Montana, United States. The population was 2,214 at the 2010 census. Established in 1924 and incorporated as a city in 1998, Colstrip is the largest city in Rosebud County with 24% of the total population. Colstrip’s primary industries are coal mining and electricity production. For the Sports Illustrated Magazine’s 50th anniversary, it named Colstrip the top sports town in Montana
The entire community celebrates Colstrip Days annually on the weekend prior to the 4th of July.
Colstrip is located at 45°52′50.03″N 106°37′47.65″W / 45.8805639°N 106.6299028°W / 45.8805639; -106.6299028 (45.880563, -106.629903).
According to the United States Census Bureau, the city has a total area of 4.47 square miles (11.58 km), all of it land.
The historical population of Colstrip has varied largely since it was established in 1924. Prior to incorporation in 1998 it was a census-designated place.
As of the census of 2010, there were 2,214 people, 863 households, and 622 families residing in the city. The population density was 495.3 inhabitants per square mile (191.2/km). There were 986 housing units at an average density of 220.6 per square mile (85.2/km). The racial makeup of the city was 84.7% White, 0.2% African American, 9.0% Native American, 0.6% Asian, 0.1% Pacific Islander, 0.4% from other races, and 5.0% from two or more races. Hispanic or Latino of any race were 4.3% of the population.
There were 863 households of which 35.9% had children under the age of 18 living with them, 61.8% were married couples living together, 5.8% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 27.9% were non-families. 24.1% of all households were made up of individuals and 5.2% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.06.
The median age in the city was 38.1 years. 28.2% of residents were under the age of 18; 5.9% were between the ages of 18 and 24; 24.9% were from 25 to 44; 36% were from 45 to 64; and 5.2% were 65 years of age or older. The gender makeup of the city was 51.8% male and 48.2% female.
As of the census of 2000, there were 2,346 people, 825 households, and 674 families residing in the city. The population density was 522.6 people per square mile (201.7/km²). There were 936 housing units at an average density of 208.5 per square mile (80.5/km²). The racial makeup of the city was 83.93% White, 0.68% African American, 11.30% Native American, 0.13% Asian, 0.51% from other races, and 3.45% from two or more races. Hispanic or Latino of any race were 3.15% of the population.
There were 825 households out of which 48.2% had children under the age of 18 living with them, 66.8% were married couples living together, 9.6% had a female householder with no husband present, and 18.3% were non-families. 16.7% of all households were made up of individuals and 2.5% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.18.
In the city, the population was spread out with 34.4% under the age of 18, 6.1% from 18 to 24, 28.7% from 25 to 44, 27.7% from 45 to 64, and 3.1% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 106.0 males. For every 100 females age 18 and over, there were 100.9 males.
The median income for a household in the city was $55,650, and the median income for a family was $60,352. Males had a median income of $54,241 versus $25,234 for females. The per capita income for the city was $20,336. About 5.9% of families and 7.0% of the population were below the poverty line, including 10.7% of those under age 18 and none of those age 65 or over.
According to the Köppen Climate Classification system, Colstrip has a semi-arid climate, abbreviated “BSk” on climate maps.