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Mountrail County, North Dakota

Mountrail County, North Dakota
Mountrail County Courthouse in Stanley
Map of North Dakota highlighting Mountrail County
Location in the state of North Dakota
Map of the United States highlighting North Dakota
North Dakota's location in the U.S.
Founded January 4, 1873
1892 (eliminated)
January 29, 1909 (reestablished)
Seat Stanley
Largest city New Town
 • Total 1,942 sq mi (5,030 km2)
 • Land 1,825 sq mi (4,727 km2)
 • Water 116 sq mi (300 km2), 6.0%
Population (est.)
 • (2014) 9,782
 • Density 4.2/sq mi (2/km²)
Congressional district At-large
Time zone Central: UTC-6/-5

Mountrail County is a

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 1, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "County History". North The State of North Dakota. Retrieved February 1, 2015. 
  4. ^ a b c d e Long, John H. (2006). "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. Retrieved 2008-01-31. 
  5. ^ "Dakota Territory Historical Counties: Interactive Map". Atlast of Historical County Boundaries. The Newberry Library. Retrieved 2010-07-06. 
  6. ^ "North Dakota Historical Counties: Interactive Map". Atlas of Historical County Boundaries. The Newberry Library. Retrieved 2010-07-06. 
  7. ^ STATE ex rel. McCue, Attorney General v. Blaisdell, Secretary of State, et al., 18 N.D. 31 (N.D. 1909).
  8. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved February 1, 2015. 
  9. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  10. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved February 1, 2015. 
  11. ^ "Historical Census Browser". University of Virginia Library. Retrieved February 1, 2015. 
  12. ^ Forstall, Richard L., ed. (April 20, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 1, 2015. 
  13. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 1, 2015. 


See also

Unincorporated communities




The median income for a household in the county was $27,098, and the median income for a family was $31,864. Males had a median income of $24,750 versus $20,844 for females. The per capita income for the county was $13,422. About 14.00% of families and 19.30% of the population were below the poverty line, including 23.40% of those under age 18 and 18.30% of those age 65 or over.

In the county the population was spread out with 28.10% under the age of 18, 6.80% from 18 to 24, 23.20% from 25 to 44, 24.20% from 45 to 64, and 17.70% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 96.80 males. For every 100 females age 18 and over, there were 95.10 males.

There were 2,560 households out of which 31.80% had children under the age of 18 living with them, 51.80% were married couples living together, 11.80% had a female householder with no husband present, and 31.50% were non-families. 28.50% of all households were made up of individuals and 14.60% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.09.

As of the census of 2000, there were 6,631 people, 2,560 households, and 1,753 families residing in the county. The population density was 4 people per square mile (1/km²). There were 3,438 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 65.99% White, 0.09% Black or African American, 29.98% Native American, 0.21% Asian, 0.05% Pacific Islander, 0.26% from other races, and 3.42% from two or more races. 1.31% of the population were Hispanic or Latino of any race. 37.1% were of Norwegian and 15.4% German ancestry.


National protected areas

Major highways

Adjacent counties

Mountrail County is one of several western North Dakota counties with significant exposure to the Bakken Formation in the Williston Basin.

According to the U.S. Census Bureau, the county has a total area of 1,942 square miles (5,030 km2), of which 1,825 square miles (4,730 km2) is land and 116 square miles (300 km2) (6.0%) is water.[8]


Mountrail County was first established in 1873 (as Mountraille County) by the Dakota Territorial Legislature, but the boundaries were different from what they are today, extending from the Missouri River north to the border with Canada.[4][5] It remained a county when North Dakota became a state in 1889, but in 1892 North Dakota Legislature authorized neighboring Ward County to take over all of Mountrail's territory, and the county was eliminated.[4] At the November 3, 1908, general election, a vote was held in Ward County on whether to recreate Mountrail with different boundaries.[4][6] The vote was 4,207 to 4,024 in favor of the new county, but North Dakota's Attorney General sued the Secretary of State over the validity of the vote, and the formation was delayed until the Supreme Court affirmed the vote in January 1909.[4][7]



  • History 1
  • Geography 2
    • Adjacent counties 2.1
    • Major highways 2.2
    • National protected areas 2.3
  • Demographics 3
  • Communities 4
    • Cities 4.1
    • Townships 4.2
    • Unincorporated communities 4.3
  • See also 5
  • References 6


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