As of the fourth quarter of 2024, the median home value in Slope County was $128,524. As of the 2023
American Community Survey, there are 340 estimated households in Slope County with an average of 2.34 persons per household. The county has a median household income of $62,500. Approximately 14.3% of the county's population lives at or below the
poverty line. Slope County has an estimated 62.4% employment rate, with 22.8% of the population holding a bachelor's degree or higher and 91.3% holding a high school diploma. The top five reported ancestries (people were allowed to report up to two ancestries, thus the figures will generally add to more than 100%) were English (97.8%), Spanish (1.0%), Indo-European (0.0%), Asian and Pacific Islander (0.0%), and Other (1.2%). The median age in the county was 54.2 years.
Slope County, North Dakota – racial and ethnic composition 2024 estimate As of the 2024 estimate, there were 660 people and 340 households residing in the county. The
population density was . There were 410 housing units at an average density of . The racial makeup of the county was 95.1% White
(95.0% NH White), 1.0% African American, 3.0% Native American, 0.0% Asian, 0.0% Pacific Islander, _% from some other races and 0.9% from two or more races. Hispanic or Latino people of any race were 0.4% of the population.
2020 census As of the
2020 census, the county had a population of 706, with 303 households and 209 families residing in the county. Of the residents, 21.5% were under the age of 18 and 23.9% were 65 years of age or older; the median age was 45.2 years. For every 100 females there were 105.2 males, and for every 100 females age 18 and over there were 110.6 males. The population density was . There were 409 housing units at an average density of , of which 25.9% were vacant; 82.8% of the occupied units were owner-occupied and 17.2% were renter-occupied. The homeowner vacancy rate was 0.7% and the rental vacancy rate was 5.5%. Of the 303 households, 26.4% had children under the age of 18 living with them and 14.9% had a female householder with no spouse or partner present. About 29.7% of all households were made up of individuals and 12.9% had someone living alone who was 65 years of age or older.
2010 census As of the
2010 census, there were 727 people, 326 households, and 224 families residing in the county. The population density was . There were 436 housing units at an average density of . The racial makeup of the county was 97.52%
White, 0.00%
African American, 2.20%
Native American, 0.00%
Asian, 0.00%
Pacific Islander, 0.00% from some other races and 0.28% from two or more races.
Hispanic or Latino people of any race were 1.65% 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. There were 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. Slope County has the highest decline from its peak population of all US counties.
Population by decade Colors= id:lightgrey value:gray(0.9) id:darkgrey value:gray(0.8) id:sfondo value:rgb(1,1,1) id:barra value:rgb(0.55,0.0,0.0) ImageSize = width:600 height:300 PlotArea = left:50 bottom:50 top:30 right:30 DateFormat = x.y Period = from:0 till:4944 TimeAxis = orientation:vertical AlignBars = late ScaleMajor = gridcolor:darkgrey increment:1236 start:0 ScaleMinor = gridcolor:lightgrey increment:618 start:0 BackgroundColors = canvas:sfondo BarData= bar:1920 text:1920 bar:1930 text:1930 bar:1940 text:1940 bar:1950 text:1950 bar:1960 text:1960 bar:1970 text:1970 bar:1980 text:1980 bar:1990 text:1990 bar:2000 text:2000 bar:2010 text:2010 bar:2020 text:2020 bar:2025 text:present PlotData= color:barra width:25 align:left bar:1920 from: 0 till:4940 bar:1930 from: 0 till:4150 bar:1940 from: 0 till:2932 bar:1950 from: 0 till:2315 bar:1960 from: 0 till:1893 bar:1970 from: 0 till:1484 bar:1980 from: 0 till:1157 bar:1990 from: 0 till:907 bar:2000 from: 0 till:767 bar:2010 from: 0 till:727 bar:2020 from: 0 till:706 bar:2025 from: 0 till:628 color:darkblue PlotData= bar:1920 at:4940 fontsize:M text:4,940 shift:(-16,6) bar:1930 at:4150 fontsize:M text:4,150 shift:(-16,6) bar:1940 at:2932 fontsize:M text:2,932 shift:(-16,6) bar:1950 at:2315 fontsize:M text:2,315 shift:(-16,6) bar:1960 at:1893 fontsize:M text:1,893 shift:(-16,6) bar:1970 at:1484 fontsize:M text:1,484 shift:(-16,6) bar:1980 at:1157 fontsize:M text:1,157 shift:(-16,6) bar:1990 at:907 fontsize:M text:907 shift:(-16,6) bar:2000 at:767 fontsize:M text:767 shift:(-16,6) bar:2010 at:727 fontsize:M text:727 shift:(-16,6) bar:2020 at:706 fontsize:M text:706 shift:(-16,6) bar:2025 at:628 fontsize:M text:628 shift:(-16,6) TextData= fontsize:S pos:(20,20) text:Data from U.S. Census Bureau ==Communities==