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Location of Colstrip, Montana
|• Total||4.47 sq mi (11.58 km2)|
|• Land||4.47 sq mi (11.58 km2)|
|• Water||0 sq mi (0 km2)|
|Elevation||3,222 ft (982 m)|
| • Estimate
|• Density||495.3/sq mi (191.2/km2)|
|Time zone||UTC-7 (Mountain (MST))|
|• Summer (DST)||UTC-6 (MDT)|
|Area code(s)||406 Exchange: 768|
|GNIS feature ID||0770042|
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 was established by the Northern Pacific Railway in 1924 as a company town to provide coal for their steam locomotives. The mining at Rosebud Mine two miles south of the town is open pit strip mining, where draglines remove soil above the layer of bituminous coal from the Fort Union Formation.
During World War II, the Colstrip mine was identified as strategically important because it supplied coal for the Northern Pacific Railway steam locomotives hauling military equipment for the war effort. The mine was guarded from sabotage, and the employees were not allowed to quit their jobs.
In 1958 the railroad switched to using diesel locomotives and the Colstrip mine was shut down. In 1959 Montana Power Company purchased the rights to the mine and the town, and resumed mining operations in the 1970s with plans to build coal-fired electrical plants.
The power plants were built in the 1970s and 1980s by a collection of contractors including Bechtel. During this construction period Colstrip was a boomtown, with a large increase in population. Plants 1 & 2 were operational in 1975 and 1976, and plants 3 & 4 were operational in 1984 and 1986.
In 1974 construction of Colstrip's 150-acre (0.61 km2) Castle Rock Lake (formerly named surge pond) was completed. The Colstrip plants produce electricity from coal using steam. The water for the steam is pumped in an underground pipe 30 miles (48 km) from the Yellowstone River and stored in the lake. The lake is stocked with fish and the home for a wide variety of wildlife.
In 1990 the Colstrip Energy Limited Project started commercial operations. Located six miles (10 km) north of Colstrip, this experimental electricity production facility is owned by Rosebud Energy Corp., a partnership that at one point included Enron. The plant uses high sulfur waste coal from the Rosebud Coal Mine's topmost one foot layer of coal.
In 1998 plants 1-4 were sold to a group led by PPL Corporation (PPL)
and Puget Sound Energy (PSE). The Rosebud Coal Mine was sold to Westmoreland Mining LLC.
In this same year the City of Colstrip was incorporated.
As of June 2015, PPL spun off its power generation assets including the Colstrip plants to become Talen Energy.
In 2016, Puget Sound Energy reached an agreement with the Sierra Club and the Montana Environmental Information Center to shut down units 1 and 2 of the coal-fired generating plant by the year 2022. The agreement says nothing about the status of Units 3 and 4 at the generating station. However, the existing electrical transmission capacity that transmits power from Colstrip to the Pacific Northwest may be used to transmit wind energy.
Colstrip is the proposed junction point of the BNSF Railway's trackage through the city with the proposed Tongue River Railroad south to new coal mines near the Wyoming border.
Colstrip is located at(45.880563, -106.629903).
According to the United States Census Bureau, the city has a total area of 4.47 square miles (11.58 km2), all of it land.
|U.S. Decennial Census
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/km2). There were 986 housing units at an average density of 220.6 per square mile (85.2/km2). 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.
|Climate data for Colstrip, Montana|
|Average high °C (°F)||1.28
|Average low °C (°F)||-12.5
|Precipitation mm (inches)||15
|Avg. precipitation days||6||5||7||7||10||9||6||5||5||5||5||5||75|
- Wally McRae — Cowboy poet who earned the 1990 National Endowment for the Arts' National Heritage Award
- George Armstrong Custer — one of his final encampments before Battle of the Little Bighorn was 10 miles (16 km) south of Colstrip
- Tuff Harris — safety for the Pittsburgh Steelers, moved from Lodge Grass to play football at Colstrip High School as a sophomore
- Russ Davidson — 2013 National and Montana Outstanding Teacher of American History
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