County profile

Foster County

North Dakota · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
3,358
Median household income
$87,831
People below poverty
8.8%
Median home value
$167,500

Income

The median income of households in Foster County, North Dakota was $87,831. An estimated 8.4% of households had income below $10,000 a year and 11.7% had income of $200,000 or more.

Household Income in Foster County, North Dakota in 2020-2024

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Percent
Less than $10,000 8.4
$10,000 to $14,999 3.3
$15,000 to $24,999 6.3
$25,000 to $34,999 6.9
$35,000 to $49,999 4.2
$50,000 to $74,999 14.4
$75,000 to $99,999 13.7
$100,000 to $149,999 22.3
$150,000 to $199,999 8.9
$200,000 or more 11.7

Median Earnings for Full-Time Year-Round Workers by Sex in Foster County, North Dakota in 2020-2024

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Dollars
Male 70260
Female 50974

An estimated 76.9% of households received earnings. An estimated 35.6% of households received Social Security and an estimated 15.5 % of households received retirement income other than Social Security. The average income from Social Security was $25,906. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in Foster County, North Dakota in 2020-2024

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Percent
Earnings 76.9
Social Security 35.6
Retirement income 15.5
Supplemental Security Income (SSI) 1.8
Cash public assistance income 1.8

Poverty and Participation in Government Programs

In 2020-2024, 8.8 % of people were in poverty. An estimated 5% of children under 18 were below the poverty level, compared with 15.1% of people 65 years old and over. An estimated 7.7% of people 18 to 64 years were below the poverty level.

Poverty Rates in Foster County, North Dakota in 2020-2024

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Percent
People in poverty 8.8
Children under 18 years below poverty 5
People 65 years old and over below poverty 15.1
People 18 to 64 years below poverty 7.7

In 2020-2024, 9.5 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 32.2% of households that received SNAP had children under 18, and 61.6% of households that received SNAP had one or more people 60 years and over. An estimated 6.2% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in Foster County, North Dakota in 2020-2024, 95.1% had health insurance coverage and 4.9% did not have health insurance coverage. Private coverage was 78.8% and public coverage was 34.7%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 3.5%.


In 2020-2024, Foster County, North Dakota had a total population of 3,358 - 1,616 (48.1%) females and 1,742 (51.9%) males. The median age was 43.4 years. An estimated 21.8% of the population was under 18 years, 28.4% was 19 to 44 years, 25.4% was 45 to 64 years, and 24.1 % was 65 years and older.

Population by Age and Sex for Foster County, North Dakota in 2020-2024

Male Female
Under 5 105 90
5 to 9 128 140
10 to 14 68 59
15 to 19 78 76
20 to 24 90 18
25 to 29 139 152
30 to 34 96 72
35 to 39 114 63
40 to 44 115 95
45 to 49 63 89
50 to 54 107 116
55 to 59 93 121
60 to 64 161 100
65 to 69 78 95
70 to 74 145 119
75 to 79 44 49
80 to 84 44 68
85 and over 74 94

Hispanic Origin and Race

For people reporting one race alone, 94.3% were White; 0.3% were Black or African American; 5.6% were American Indian and Alaska Native; 1.8% were Asian; 0% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 2.9% reported Two or More Races. An estimated 1.7% of the people in Foster County, North Dakota were Hispanic or Latino. An estimated 93.1% of the people in Foster County, North Dakota were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 1,531 households in Foster County, North Dakota. The average household size was 2.13 people.

Married-couple households made up 54% of the households in Foster County, North Dakota while cohabiting couple households made up 5.2% of households. Female householders with no spouse or partner present were 15.7% of all households, while 25.1% of households had male householders with no spouse or partner present. Some households had one person, as 19.9% of households were male householders living alone, and 12.9% were female householders living alone, for a total of 32.8% of all households.

In Foster County, North Dakota, 27.7% of all households had one or more people under the age of 18; 35.3% of all households had one or more people 65 years and over.

Types of Households in Foster County, North Dakota in 2020-2024

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Percent
Married-couple households 54
Cohabiting Couples 5.2
Male Householder
No spouse/partner present
25.1
Female Householder
No spouse/partner present
15.7

Marital Status

Among persons 15 and older, 59.1% of males and 64.1% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 26.7 11.9
Now married, except separated 59.1 64.1
Separated 0 3
Widowed 4.6 10.9
Divorced 9.6 10.1

Grandparents and Grandchildren

In Foster County, North Dakota, 21 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 4.8% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 98% of the people living in Foster County, North Dakota were U.S. natives. 73.5% of the Foster County, North Dakota population were living in the state where they were born.

Approximately 2% of Foster County, North Dakota residents in 2020-2024 were foreign-born. 22.7% of foreign-born were naturalized U.S. citizens and an estimated 28.8 % entered the country before the year 2010.

Foreign-born residents of Foster County, North Dakota come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for Foster County, North Dakota.

Region of Birth for the Foreign-Born Population in Foster County, North Dakota in 2020-2024

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Percent
Latin America 0
Asia 92.4
Europe 1.5
Africa 0
Northern America 6.1
Oceania 0

Language

Among people at least five years old living in Foster County, North Dakota in 2020-2024, 3 % spoke a language other than English at home. Spanish was spoken by 1% of people at least five years old; 1.2% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in Foster County, North Dakota in 2020-2024

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Percent
Spanish 1
Other Indo-European languages 2
Asian and Pacific Islander languages 0
Other languages 0

Geographic Mobility

In 2020-2024, 90.4 % of the people at least one year old living in Foster County, North Dakota were living in the same house one year earlier.

Geographic Mobility of Residents of Foster County, North Dakota in 2020-2024

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Percent
Same house 90.4
Different house, same county 3.8
Different county, same state 3.3
Different state 1.1
Abroad 1.4

Education

In 2020-2024, 93.2 % of people 25 years and over had at least graduated from high school and 28.5% had a bachelor's degree or higher. An estimated 6.7% did not complete high school.

The total school enrollment in Foster County, North Dakota was 611 in 2020-2024. Nursery school enrollment was 36 and kindergarten through 12th grade enrollment was 514. College or graduate school enrollment was 61.

Educational Attainment of People in Foster County, North Dakota in 2020-2024

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Percent
Less than high school diploma 6.7
High school diploma or equivalency 25.6
Some college, no degree 22.7
Associate's degree 16.5
Bachelor's degree 22.9
Graduate or professional degree 5.5

Disability

In Foster County, North Dakota, among the civilian noninstitutionalized population in 2020-2024, 10.9 % reported a disability. The likelihood of having a disability varied by age - from 0.5% of people under 18 years old, to 6.7% of people 18 to 64 years old, and to 31.6% of those 65 and over.


Employment Status and Type of Employer

In Foster County, North Dakota, 66.9 % of the population 16 and over were employed; 32.4% were not currently in the labor force.

An estimated 68.8% of the people employed were private wage and salary workers; 16% were federal, state, or local government workers; and 15.2 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 1,262 68.8
Federal, state, or local government workers 294 16
Self-employed workers in own not incorporated business 279 15.2

Industries

In 2020-2024, the civilian employed population 16 years and older in Foster County, North Dakota worked in the following industries:

Percent by Industry in Foster County, North Dakota in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 7.5
Construction 6.7
Manufacturing 13.4
Wholesale trade 2.2
Retail trade 14.4
Transportation and warehousing, and utilities 4.8
Information 1.8
Finance and insurance, and real estate and rental and leasing 3.5
Professional, scientific, and management, and administrative and waste management services 4.6
Educational services, and health care and social assistance 25
Arts, entertainment, and recreation, and accommodation, and food services 3.3
Other Services, except public administration 7.4
Public administration 5.4

Occupations

Occupations for the Civilian Employed Population 16 Years and over in Foster County, North Dakota in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 709 38.6
Service occupations 240 13.1
Sales and office occupations 464 25.3
Natural resources, construction, and maintenance occupations 210 11.4
Production, transportation, and material moving occupations 212 11.6

Commuting to Work

An estimated 79.1% of Foster County, North Dakota workers drove to work alone in 2020-2024, and 8.9% carpooled. Among those who commuted to work, it took them on average 12.9 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in Foster County, North Dakota in 2020-2024

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Percent
Car, truck, van -- drove alone 79.1
Car, truck, van -- carpooled 8.9
Public transportation (excluding taxicab) 0
Walked 2.3
Other means 1.9
Worked from home 7.7

In 2020-2024, Foster County, North Dakota had a total of 1,775 housing units. Of these housing units, 80.5% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 14.5% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 5% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in Foster County, North Dakota in 2020-2024

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Percent
Single-family houses 80.5
Apartments in multi-unit structures 14.5
Mobile homes 5
Boat, RV, van, etc 0

10.1% of the housing inventory was comprised of houses built since 2010, while 17.2% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Foster County, North Dakota was 6.5 rooms, and of these housing units 62.2% had three or more bedrooms.


In 2020-2024, Foster County, North Dakota had 1,531 housing units that were occupied or had people living in them, while the remaining 244 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 79.7% while renters occupied 20.3%. The average household size of owner-occupied houses was 2.2 and in renter-occupied houses it was 1.86.

4.2% of householders of these occupied houses had moved into their house since 2021, while 14.5% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 8% and another 32.7% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in Foster County, North Dakota:

House Heating Fuel Used in Foster County, North Dakota in 2020-2024

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Percent
Gas 56.3
Electricity 39.4
Fuel oil, kerosene, etc 0.8
All other fuels 3.2
No fuel used 0.3

In 2020-2024, the median property value for owner-occupied houses in Foster County, North Dakota was $167,500.

Of the owner-occupied households, 38.7 % had a mortgage. 61.3% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,196 and for owners without a mortgage it was $596.

For renter-occupied houses, the median gross rent for Foster County, North Dakota was $780. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.