Dunn County, North Dakota

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Dunn County, North Dakota
Dunn County Courthouse - Manning North Dakota 10-08-2008.jpg
Dunn County Courthouse - Manning, North Dakota
Map of North Dakota highlighting Dunn 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 February 10, 1908
Seat Manning
Largest city Killdeer
 • Total 2,082 sq mi (5,392 km2)
 • Land 2,008 sq mi (5,201 km2)
 • Water 74 sq mi (192 km2), 3.5%
Population (Est.)
 • (2014) 4,399
 • Density 1.8/sq mi (1/km²)
Time zones Central: UTC-6/-5
(northern portion)
Mountain: UTC-7/-6
(southern portion)
Website www.dunncountynd.org

Dunn County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 3,536.[1] Its county seat is Manning.[2] The county was created by the 1883 Dakota Territory legislature and named for John Piatt Dunn,[3] who opened the first drugstore in North Dakota and was a civic and commercial leader during the early history of Bismarck. The county government was first organized on February 10, 1908.[4][5]


According to the U.S. Census Bureau, the county has a total area of 2,082 square miles (5,390 km2), of which 2,008 square miles (5,200 km2) is land and 74 square miles (190 km2) (3.5%) is water.[6] It is the fifth-largest county in North Dakota by total area.

Dunn County is somewhat unique among western North Dakota counties. Like other counties in the region, it has both prairie and badlands areas. Located in the northwest part of the county are the Killdeer Mountains, which are more accurately described as hills. These hills help create a mini-ecosystem on the southern edge of the Little Missouri badlands, which has a greater abundance of aspen forests and wildlife than is typically found in southwestern North Dakota.

The northwest corner of the county, northwest of the Killdeer Mountains, features many square miles of bur oak forest, mainly on the north-facing slopes of the hills. Bur oak and quaking aspen, though native to North Dakota, are sparse in western North Dakota, with Dunn County being a notable exception.

Adjacent counties[edit]

Major highways[edit]

National protected area[edit]


Historical population
Census Pop.
1890 159
1910 5,302
1920 8,828 66.5%
1930 9,566 8.4%
1940 8,376 −12.4%
1950 7,212 −13.9%
1960 6,350 −12.0%
1970 4,895 −22.9%
1980 4,627 −5.5%
1990 4,005 −13.4%
2000 3,600 −10.1%
2010 3,536 −1.8%
Est. 2014 4,399 24.4%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2014[1]

As of the census of 2000, there were 3,600 people, 1,378 households, and 986 families residing in the county. The population density was 2 people per square mile (1/km²). There were 1,965 housing units at an average density of 1 per square mile (0/km²). The racial makeup of the county was 86.58% White, 0.03% Black or African American, 12.44% Native American, 0.08% Asian, and 0.86% from two or more races. 0.75% of the population were Hispanic or Latino of any race. 43.2% were of German and 16.6% Norwegian ancestry.

There were 1,378 households out of which 32.00% had children under the age of 18 living with them, 60.30% were married couples living together, 7.20% had a female householder with no husband present, and 28.40% were non-families. 25.30% of all households were made up of individuals and 12.30% 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 3.11.

In the county the population was spread out with 27.40% under the age of 18, 5.80% from 18 to 24, 23.60% from 25 to 44, 25.90% from 45 to 64, and 17.40% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 104.20 males. For every 100 females age 18 and over, there were 103.60 males.

The median income for a household in the county was $30,015, and the median income for a family was $34,405. Males had a median income of $26,226 versus $17,143 for females. The per capita income for the county was $14,624. About 13.80% of families and 17.50% of the population were below the poverty line, including 21.70% of those under age 18 and 14.20% of those age 65 or over.

Sites of interest[edit]



Census-designated place[edit]

Unincorporated communities[edit]

See also[edit]


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved October 31, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 110. 
  4. ^ "County History". Official Portal for North Dakota State Government. Retrieved 4 May 2011. 
  5. ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Retrieved February 3, 2015. 
  6. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved January 28, 2015. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved January 28, 2015. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved January 28, 2015. 
  9. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved January 28, 2015. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved January 28, 2015. 

External links[edit]

Coordinates: 47°22′N 102°37′W / 47.36°N 102.62°W / 47.36; -102.62