Foster County, ND ZIP Codes
North Dakota (ND) · 4 ZIP codes · 4 cities
4
ZIP codes
3,364
population (2021)
+0.6%
pop change since 2010
38031
FIPS code
Foster County ZIP code map
About Foster County
Foster County is located in North Dakota and contains 4 ZIP codes across 4 cities and communities.
The county's population was 3,364 as of 2021,
an increase of
0.6% from 3,343 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Foster County is 38031.
| Population | |
|---|---|
| 2021 population | 3,364 |
| 2010 population | 3,343 |
| Change | +0.6% |
| County details | |
|---|---|
| State | North Dakota |
| FIPS code | 38031 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Foster County
ZIP codes for Foster County, ND (4)
| ZIP code | City | County | Map |
|---|---|---|---|
| 58421 | Carrington | Foster | View map |
| 58443 | Glenfield | Foster | View map |
| 58445 | Grace City | Foster | View map |
| 58464 | Mchenry | Foster | View map |
Demographics & statistics
3,553
Population
43.8
Median age
$77,929
Median household income
$42,192
Per capita income
$92,050
Median home value
$180
Median monthly rent
87.3%
Home ownership
10.0%
Poverty rate
1.8%
Unemployment
1,512
Housing units
23.0%
Bachelor's or higher
Age distribution
Male
Female
102
Under 5
102
149
5–9
148
93
10–14
92
115
15–19
115
63
20–24
62
193
25–34
191
200
35–44
199
188
45–54
187
128
55–59
127
142
60–64
142
197
65–74
196
123
75–84
123
88
85+
88
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 844 | 30.0% |
| 18 and over | 2,709 | 70.1% |
| 65 and over | 815 | 21.5% |
| Median age | 43.8 years | |
Race & ethnicity
White
94.7%
Two or more races
2.8%
American Indian / Alaska Native
1.5%
Native Hawaiian / Pacific Islander
0.5%
Black or African American
0.5%
Asian
0.1%
| Group | Count | % |
|---|---|---|
| White | 3,365 | 94.7% |
| Two or more races | 98 | 2.8% |
| American Indian / Alaska Native | 54 | 1.5% |
| Native Hawaiian / Pacific Islander | 18 | 0.5% |
| Black or African American | 16 | 0.5% |
| Asian | 2 | 0.1% |
Household income
Under $10k
7.2%
$10k–$15k
1.3%
$15k–$25k
5.7%
$25k–$35k
6.3%
$35k–$50k
16.7%
$50k–$75k
16.8%
$75k–$100k
18.6%
$100k–$150k
15.8%
$150k–$200k
2.2%
$200k+
9.5%
| Range | % of households |
|---|---|
| Under $10k | 7.2% |
| $10k–$15k | 1.3% |
| $15k–$25k | 5.7% |
| $25k–$35k | 6.3% |
| $35k–$50k | 16.7% |
| $50k–$75k | 16.8% |
| $75k–$100k | 18.6% |
| $100k–$150k | 15.8% |
| $150k–$200k | 2.2% |
| $200k+ | 9.5% |
| Median income | $77,929 |
Housing
Home values
Under $50k
30.7%
$50k–$100k
10.4%
$100k–$150k
11.6%
$150k–$200k
16.2%
$200k–$300k
6.8%
$300k–$500k
20.2%
$500k–$1M
2.6%
$1M+
1.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $92,050 |
| Median rent / month | $180 |
| Owner occupied | 87.3% |
| Renter occupied | 12.7% |
| Vacant | 31.4% |
| Single-family detached | 81.1% |
| Large apartment buildings | 0.0% |
| Mobile homes | 9.4% |
| Median rooms | 6.2 |
| Avg household size (owned) | 2.64 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 10.0% |
| 2000–2009 | 5.9% |
| 1990–1999 | 4.0% |
| 1980–1989 | 8.6% |
| 1970–1979 | 18.3% |
| 1960–1969 | 16.5% |
| 1950–1959 | 6.7% |
| 1940–1949 | 4.2% |
| 1939 or earlier | 25.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.0% |
| 1 bedroom | 2.5% |
| 2 bedrooms | 33.6% |
| 3 bedrooms | 34.7% |
| 4 bedrooms | 19.6% |
| 5+ bedrooms | 8.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.7% |
| 1 vehicle | 13.5% |
| 2 vehicles | 40.8% |
| 3 or more | 44.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 13.3% |
| Electricity | 40.1% |
| Propane / LP gas | 38.7% |
| Fuel oil | 2.9% |
| Wood | 3.8% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 833 | 57.2% |
| Cohabiting couple | 76 | 5.3% |
| Male householder, no spouse | 345 | 20.1% |
| Female householder, no spouse | 279 | 17.5% |
| Households with children under 18 | 411 | 32.1% |
| Households with seniors (65+) | 552 | 37.4% |
| Average household size | 2.54 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 23.8% | 17.9% |
| Married | 66.7% | 62.3% |
| Separated | 0.0% | 0.3% |
| Widowed | 5.4% | 12.1% |
| Divorced | 4.3% | 7.4% |
Education
Less than 9th grade
3.9%
Some HS, no diploma
4.1%
HS graduate
18.7%
Some college, no degree
33.4%
Associate's degree
17.0%
Bachelor's degree
20.1%
Graduate / professional
2.9%
| Metric | % |
|---|---|
| HS diploma or higher | 92.1% |
| Bachelor's or higher | 23.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 53 | 7.1% |
| Kindergarten | 38 | 2.8% |
| Elementary school | 367 | 54.9% |
| High school | 250 | 23.9% |
| College / grad school | 74 | 11.3% |
Employment
Industry of employment
Education & healthcare
22.9%
Agriculture & mining
20.9%
Transportation & utilities
10.8%
Construction
9.0%
Retail trade
5.3%
Manufacturing
5.2%
Wholesale trade
4.9%
Finance & real estate
4.0%
Public administration
3.9%
Professional & management
3.6%
Information
3.4%
Other services
3.3%
Arts, food & hospitality
2.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 44.2% |
| Service | 13.1% |
| Sales & office | 17.4% |
| Natural resources & construction | 11.7% |
| Production & transportation | 13.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 62.0% |
| Government | 18.0% |
| Self-employed | 20.1% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 74.0% |
| Carpool | 9.3% |
| Public transit | 0.1% |
| Walk | 2.7% |
| Other means | 3.1% |
| Avg commute (minutes) | 20.5 |
Poverty
All people
10.0%
Under 18 years
10.9%
18 and over
9.4%
Married-couple families
4.4%
Female-led households
11.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 36.1% |
| Retirement income | 18.2% |
| Supplemental Security | 0.4% |
| Cash public assistance | 0.3% |
| Food stamps / SNAP | 4.4% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 37.2% |
| High cholesterol | 35.7% |
| Heart disease | 8.4% |
| Stroke | 3.7% |
| Asthma | 8.9% |
| Arthritis | 29.6% |
| Kidney disease | 3.4% |
| Pulmonary disease | 7.3% |
| Cancer | 9.0% |
| Behavior / access | % |
|---|---|
| Binge drinking | 17.8% |
| No physical activity | 25.5% |
| Less than 7 hrs sleep | 26.6% |
| Fair or poor health | 13.4% |
| Poor mental health | 11.2% |
| Poor physical health | 9.8% |
| No health insurance | 9.6% |
| Visited doctor (checkup) | 72.7% |
| Visited dentist | 63.8% |
| Cholesterol screening | 90.9% |
| Teeth loss | 12.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 154 | 8.2% |
| Disability | % |
|---|---|
| Any disability | 9.3% |
| Under 18 | 5.4% |
| 18–64 years | 3.6% |
| 65 and over | 22.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 72.0% |
| Public insurance | 32.5% |
| Uninsured under 19 | 6.2% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 3,349 | 93.2% |
| Spanish | 19 | 0.3% |
| Other Indo-European | 5 | 0.1% |
| Asian & Pacific Islander | 14 | 0.3% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 3,552 | 99.9% |
| Born in same state | 3,545 | 99.8% |
| Born in different state | 2,860 | 84.6% |
| Foreign born | 7 | 0.1% |
| Naturalized citizen | 1 | 0.1% |
| Not a US citizen | 1 | 25.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 1,055 | 29.7% |
| Italian | 285 | 8% |
| French | 181 | 5.1% |
| English | 35 | 1% |
| Ancestry | Count | % |
|---|---|---|
| Arab | 35 | 1% |
| Dutch | 30 | 0.8% |
| German | 19 | 0.5% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.0% |
| Internet access | 87.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Explore more North Dakota ZIP codes