As of the fourth quarter of 2024, the median home value in Foster County was $172,495. As of the 2023
American Community Survey, there are 1,515 estimated households in Foster County with an average of 2.16 persons per household. The county has a median household income of $83,412. Approximately 11.4% of the county's population lives at or below the
poverty line. Foster County has an estimated 67.5% employment rate, with 27.2% of the population holding a bachelor's degree or higher and 93.2% 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 (97.9%), Spanish (0.3%), Indo-European (1.8%), Asian and Pacific Islander (0.0%), and Other (0.0%). The median age in the county was 43.3 years.
Foster County, North Dakota – racial and ethnic composition 2024 estimate As of the 2024 estimate, there were 3,323 people and 1,515 households residing in the county. There were 1,790 housing units at an average density of . The racial makeup of the county was 93.9% White
(91.8% NH White), 1.0% African American, 1.7% Native American, 2.1% Asian, 0.0% Pacific Islander, _% from some other races and 1.3% from two or more races. Hispanic or Latino people of any race were 2.1% of the population.
2020 census As of the
2020 census, there were 3,397 people, 1,458 households, and 924 families residing in the county. The
population density was . There were 1,773 housing units at an average density of . Of the residents, 22.7% were under the age of 18 and 21.9% were 65 years of age or older; the median age was 45.5 years. For every 100 females there were 100.4 males, and for every 100 females age 18 and over there were 103.2 males. The racial makeup of the county was 94.6% White, 0.2%
Black or African American, 0.6%
American Indian and Alaska Native, 0.4%
Asian, 0.9% from some other race, and 3.3% from
two or more races.
Hispanic or Latino residents of any race comprised 1.9% of the population. Of the 1,458 households in the county, 26.0% had children under the age of 18 living with them and 20.4% had a female householder with no spouse or partner present. About 31.9% of all households were made up of individuals and 13.2% had someone living alone who was 65 years of age or older. There were 1,773 housing units, of which 17.8% were vacant. Among occupied housing units, 76.8% were owner-occupied and 23.2% were renter-occupied. The homeowner vacancy rate was 1.1% and the rental vacancy rate was 15.8%.
2010 census As of the
2010 census, there were 3,343 people, 1,495 households, and 930 families residing in the county. The population density was . There were 1,801 housing units at an average density of . The racial makeup of the county was 98.44%
White, 0.09%
African American, 0.60%
Native American, 0.09%
Asian, 0.00%
Pacific Islander, 0.24% from some other races and 0.54% from two or more races.
Hispanic or Latino people of any race were 0.87% of the population. In terms of ancestry, 54.2% were
German, 35.9% were
Norwegian, 9.8% were
Irish, 5.8% were
American, and 5.1% were
Swedish. There were 1,495 households, 23.7% had children under the age of 18 living with them, 53.4% were
married couples living together, 5.5% had a female householder with no husband present, 37.8% were non-families, and 33.5% of all households were made up of individuals. The average household size was 2.20 and the average family size was 2.81. The median age was 46.7 years. The median income for a household in the county was $41,066 and the median income for a family was $55,278. Males had a median income of $40,076 versus $29,189 for females. The
per capita income for the county was $27,945. About 3.4% of families and 7.3% of the population were below the
poverty line, including 5.2% of those under age 18 and 13.4% of those age 65 or over.
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:700 height:350 PlotArea = left:50 bottom:50 top:30 right:30 DateFormat = x.y Period = from:0 till:6360 TimeAxis = orientation:vertical AlignBars = late ScaleMajor = gridcolor:darkgrey increment:1590 start:0 ScaleMinor = gridcolor:lightgrey increment:795 start:0 BackgroundColors = canvas:sfondo BarData= bar:1880 text:1880 bar:1890 text:1890 bar:1900 text:1900 bar:1910 text:1910 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:1880 from: 0 till:37 bar:1890 from: 0 till:1210 bar:1900 from: 0 till:3770 bar:1910 from: 0 till:5313 bar:1920 from: 0 till:6108 bar:1930 from: 0 till:6353 bar:1940 from: 0 till:5824 bar:1950 from: 0 till:5337 bar:1960 from: 0 till:5361 bar:1970 from: 0 till:4832 bar:1980 from: 0 till:4611 bar:1990 from: 0 till:3983 bar:2000 from: 0 till:3759 bar:2010 from: 0 till:3343 bar:2020 from: 0 till:3397 bar:2025 from: 0 till:3212 color:darkblue PlotData= bar:1880 at:37 fontsize:M text:37 shift:(-16,6) bar:1890 at:1210 fontsize:M text:1,210 shift:(-16,6) bar:1900 at:3770 fontsize:M text:3,770 shift:(-16,6) bar:1910 at:5313 fontsize:M text:5,313 shift:(-16,6) bar:1920 at:6108 fontsize:M text:6,108 shift:(-16,6) bar:1930 at:6353 fontsize:M text:6,353 shift:(-16,6) bar:1940 at:5824 fontsize:M text:5,824 shift:(-16,6) bar:1950 at:5337 fontsize:M text:5,337 shift:(-16,6) bar:1960 at:5361 fontsize:M text:5,361 shift:(-16,6) bar:1970 at:4832 fontsize:M text:4,832 shift:(-16,6) bar:1980 at:4611 fontsize:M text:4,611 shift:(-16,6) bar:1990 at:3983 fontsize:M text:3,983 shift:(-16,6) bar:2000 at:3759 fontsize:M text:3,759 shift:(-16,6) bar:2010 at:3343 fontsize:M text:3,343 shift:(-16,6) bar:2020 at:3397 fontsize:M text:3,397 shift:(-16,6) bar:2025 at:3212 fontsize:M text:3,212 shift:(-16,6) TextData= fontsize:S pos:(20,20) text:Data from U.S. Census Bureau ==Communities==