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Dunn County, North Dakota

From Wikipedia, the free encyclopedia
Dunn County, 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 May 24, 1883
Seat Manning
Largest city Killdeer
 • Total 2,082 sq mi (5,392 km2)
 • Land 2,010 sq mi (5,206 km2)
 • Water 73 sq mi (189 km2), 3.49%
Population (Est.)
 • (2012) 3,967
 • Density 3/sq mi (1/km²)
Time zone MountainUTC-7/-6

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]

Dunn County was created by the 1883 Dakota Territory legislature and named for John Piatt Dunn, 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; the county seat has always been Manning.[3]




According to the U.S. Census Bureau, the county has a total area of 2,082 square miles (5,392.4 km2), of which 2,010 square miles (5,205.9 km2) is land and 73 square miles (189.1 km2) (3.49%) is water.[4]

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]

McKenzie County Mountrail County McLean County
Mercer County
  Dunn County, North Dakota
Billings County Stark County

Major highways[edit]

National protected area[edit]


Historical populations
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. 2012 3,967 12.2%
U.S. Decennial Census[5]
2012 Estimate[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 according to the 2000 census.

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.



  1. 788 – Killdeer
  2. 198 – Halliday
  3. 154 – Dunn Center
  4. 92 – Dodge

2011 estimate population[6]

Note: all incorporated communities in North Dakota are called “cities” regardless of their size.


  • Manning

Unincorporated communities[edit]

Sites of interest[edit]

See also[edit]


  1. Jump up to:a b “State & County QuickFacts”. United States Census Bureau. Retrieved October 31, 2013.
  2. Jump up^ “Find a County”. National Association of Counties. Retrieved 2011-06-07.
  3. Jump up^ “County History”. Official Portal for North Dakota State Government. Retrieved 4 May 2011.
  4. Jump up^ “US Gazetteer files: 2010, 2000, and 1990”United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
  5. Jump up^ “U.S. Decennial Census”. Retrieved October 31, 2013.
  6. Jump up^ “Annual Estimates of the Population for Incorporated Places in North Dakota”United States Census Bureau. 2013-03-21. Retrieved 2013-03-21.

External links[edit]