Slope County, North Dakota facts for kids

Kids Encyclopedia Facts
Slope County, North Dakota
Map

Location in the state of North Dakota
Map of the USA highlighting North Dakota
North Dakota's location in the U.S.
Statistics
Founded January 14, 1915
Seat Amidon
Largest City Marmarth
Area
 - Total
 - Land
 - Water

1,219 sq mi (3,157 km²)
1,215 sq mi (3,147 km²)
4.2 sq mi (11 km²), 0.3%
PopulationEst.
 - (2015)
 - Density

767
0.6/sq mi (0/km²)
Time zone Mountain: UTC-7/-6
Website: http://www.slopecountynd.com/

Slope County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 727, making it the least populous county in North Dakota and the 20th-least populous county in the United States. The county seat is Amidon. The county was created in 1914 when Billings County was subdivided into three new counties; it was organized on January 14, 1915. The name refers to the Missouri Slope, a geographical feature that is also a popular designation for western North Dakota, particularly the area west of the Missouri River.

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%
Est. 2015 767 5.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2015

2000 census

As of the census of 2000, there were 767 people, 313 households, and 222 families residing in the county. The population density was 0.63 people per square mile (0.14/km²). There were 451 housing units at an average density of 0.37 per square mile (0.24/km²). The racial makeup of the county was 99.84% White, 0.08% Native American, and 0.13% from two or more races. 0.08% of the population were Hispanic or Latino of any race. Slope County has the highest percentage white population of any U.S. county. 46.9% were of German, 15.2% Norwegian, 8.1% American, 7.4% English and 7.2% Swedish ancestry.

There were 313 households out of which 30.0% had children under the age of 18 living with them, 64.5% were married couples living together, 3.8% had a female householder with no husband present, and 28.8% were non-families. 27.2% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.96.

In the county, the population was spread out with 25.3% under the age of 18, 4.2% from 18 to 24, 25.0% from 25 to 44, 27.6% from 45 to 64, and 17.9% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 116.7 males. For every 100 females age 18 and over, there were 117.0 males.

The median income for a household in the county was $24,667, and the median income for a family was $26,058. Males had a median income of $20,000 versus $12,115 for females. The per capita income for the county was $14,513. About 15.40% of families and 16.90% of the population were below the poverty line, including 16.30% of those under age 18 and 8.00% of those age 65 or over.

2010 census

As of the 2010 United States Census, there were 727 people, 326 households, and 224 families residing in the county. The population density was 0.6 inhabitants per square mile (0.23/km2). There were 436 housing units at an average density of 0.4 per square mile (0.15/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,

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


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