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Slope County, North Dakota facts for kids

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Slope County
Former Slope County Courthouse in Amidon
Former Slope County Courthouse in Amidon
Map of North Dakota highlighting Slope County
Location within the U.S. state of North Dakota
Map of the United States highlighting North Dakota
North Dakota's location within the U.S.
Country  United States
State  North Dakota
Founded November 3, 1914
January 14, 1915 (organized)
Seat Amidon
Largest city Marmarth
Area
 • Total 1,219 sq mi (3,160 km2)
 • Land 1,215 sq mi (3,150 km2)
 • Water 4.2 sq mi (11 km2)  0.3%
Population
 (2020)
 • Total 706
 • Estimate 
(2021)
690
 • Density 0.5792/sq mi (0.22362/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district At-large

Slope County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 706, making it the least populous county in North Dakota and the 20th-least populous county in the United States. The county seat is Amidon.

Geography

White butte (1)
White Butte in Slope County

According to the U.S. Census Bureau, the county has a total area of 1,219 square miles (3,160 km2), of which 1,215 square miles (3,150 km2) is land and 4.2 square miles (11 km2) (0.3%) is water.

White Butte, the highest natural point in North Dakota at an elevation of 3506 ft (1062 m), is in Slope County.

Major highways

  • US 12.svg U.S. Highway 12
  • US 85.svg U.S. Highway 85

National protected areas

  • Little Missouri National Grassland (part)
  • Stewart Lake National Wildlife Refuge
  • White Lake National Wildlife Refuge

Adjacent counties

Demographics

Historical population
Census Pop.
1920 4,940
1930 4,150 −16.0%
1940 2,932 −29.3%
1950 2,315 −21.0%
1960 1,893 −18.2%
1970 1,484 −21.6%
1980 1,157 −22.0%
1990 907 −21.6%
2000 767 −15.4%
2010 727 −5.2%
2020 706 −2.9%
2021 (est.) 690 −5.1%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2020

2010 census

As of the 2010 census, there were 727 people, 326 households, and 224 families in the county. The population density was 0.60/sqmi (0.23/km2). There were 436 housing units at an average density of 0.36/sqmi (0.14/km2). The racial makeup of the county was 97.5% white, 2.2% American Indian, 0.0% from other races, and 0.3% from two or more races. Those of Hispanic or Latino origin made up 1.7% of the population. In terms of ancestry, 53.9% were of German, 30.7% Norwegian, 9.9% English, 7.4% Swedish, 5.5% Polish and 2.8% American ancestry.

Of the 326 households, 22.4% had children under the age of 18 living with them, 60.7% were married couples living together, 4.9% had a female householder with no husband present, 31.3% were non-families, and 29.4% of all households were made up of individuals. The average household size was 2.23 and the average family size was 2.74. The median age was 49.2 years.

The median income for a household in the county was $43,625 and the median income for a family was $55,833. Males had a median income of $36,458 versus $31,172 for females. The per capita income for the county was $24,824. About 6.8% of families and 10.5% of the population were below the poverty line, including 9.3% of those under age 18 and 11.7% of those age 65 or over.

Communities

Cities

Unincorporated communities

Images for kids

See also

Kids robot.svg In Spanish: Condado de Slope para niños

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