Foster County Flag

Foster County

State:
North Dakota
County Seat:

Foster County's estimated 2025 population is 3,167 with a growth rate of -2.19% in the past year according to the most recent United States census data. Foster County is the 32nd largest county in North Dakota. The 2010 population was 3,343 and has seen a growth of -5.26% since that time.

3,167
Total Population
5
Population Density (miĀ²)
32
Population Rank (State)
-71 -2.19%
Annual Population Growth

Foster County Population

Foster County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Foster County includes 94.25% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White3,17894.25%
Two or more races1103.26%
Asian451.33%
Black or African American120.36%
Other race120.36%
Native American80.24%
Native Hawaiian or Pacific Islander70.21%

Foster County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Foster County's average per capita income is $52,370. Household income levels show a median of $83,412. The poverty rate stands at 9.12%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$114,014-
Families$112,837$121,504
Households$83,412$94,603
Non Families$42,969$50,845

$52,370

Average Income

$83,412

Median Household Income

9.12%

Poverty Rate