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North Dakota ZIP Codes
Foster County
Grace City, ND
58445
58445 ZIP Code — Grace City, ND
Foster County, North Dakota
ZIP code 58445 is located in
Grace City ,
North Dakota ,
within Foster County .
It covers approximately 72.63 square miles and serves a population of
208 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 701 .
About ZIP code 58445
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Owner-occupancy is high at 91%, well above the national average.
Median household income is $80,729. The poverty rate of 2% is below the national average.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is high — 47% of residents hold a bachelor's degree or higher, well above the national average of 33%.
21% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%.
Overall, ZIP code 58445 reflects a community defined by a strong veteran community and high homeownership.
58445 ZIP code map
View map of 58445
Cities in ZIP code 58445
Below are the cities the US Postal Service accepts for ZIP code 58445. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
208
Population density
3 / sq mi
State FIPS
38
County FIPS
031
Geography
Land area
72.63 sq mi
Water area
1.91 sq mi
Latitude
47.5691
Longitude
-98.8081
Timezone
Central (CT)
Area code
701
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.1%
42.0%
37.8%
$50k – $100k
44.3%
26.5%
32.8%
$100k – $200k
8.6%
21.4%
23.3%
Over $200k
10.0%
10.2%
6.0%
Demographics & statistics
$80,729
Median household income
47.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 92 44.2%
18 and over 116 55.8%
65 and over 29 13.9%
Median age 30.1 years
Race & ethnicity
Group Count %
White 207 99%
Hispanic or Latino 1 0.5%
Two or more races 1 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.1%
42.0%
37.8%
$50k – $100k
44.3%
26.5%
32.8%
$100k – $200k
8.6%
21.4%
23.3%
Over $200k
10.0%
10.2%
6.0%
Range % of households
Under $10k 1.8%
$25k–$35k 1.8%
$35k–$50k 29.1%
$50k–$75k 7.3%
$75k–$100k 38.2%
$100k–$150k 10.9%
$150k–$200k 1.8%
$200k+ 9.1%
Median income $80,729
Housing
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 90.9%
Renter occupied 9.1%
Vacant 52.6%
Single-family detached 73.3%
Large apartment buildings 0.0%
Mobile homes 19.0%
Median rooms 5.0
Avg household size (owned) 3.96
Year built
Era %
2020 or later 0.0%
2010–2019 17.2%
2000–2009 15.5%
1990–1999 9.5%
1980–1989 20.7%
1970–1979 21.6%
1960–1969 8.6%
1950–1959 2.6%
1940–1949 1.7%
1939 or earlier 2.6%
Bedrooms
Size % of units
No bedroom (studio) 2.6%
1 bedroom 6.0%
2 bedrooms 42.2%
3 bedrooms 23.3%
4 bedrooms 12.9%
5+ bedrooms 12.9%
Vehicles per household
Vehicles % of households
No vehicle 1.8%
1 vehicle 5.5%
2 vehicles 12.7%
3 or more 80.0%
Heating fuel
Fuel type %
Electricity 34.5%
Propane / LP gas 63.6%
Households & families
Household type Count %
Married-couple family 49 89.1%
Cohabiting couple 1 1.8%
Male householder, no spouse 5 9.1%
Female householder, no spouse 0 0.0%
Households with children under 18 35 63.6%
Households with seniors (65+) 15 27.3%
Average household size 3.78
Marital status
Status Male Female
Never married 29.1% 11.9%
Married 68.4% 84.7%
Separated 0.0% 0.0%
Widowed 0.0% 1.7%
Divorced 2.5% 1.7%
Education
Some college, no degree
15.1%
Graduate / professional
0.0%
Metric %
HS diploma or higher 88.7%
Bachelor's or higher 47.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 7 9.9%
Kindergarten 4 5.6%
Elementary school 27 38.0%
High school 33 46.5%
College / grad school 0 0.0%
Employment
Industry of employment
Agriculture & mining
24.4%
Transportation & utilities
24.4%
Professional & management
9.3%
Education & healthcare
3.5%
Finance & real estate
2.3%
Public administration
2.3%
Occupation
Category %
Management, business & arts 43.0%
Service 4.7%
Sales & office 30.2%
Natural resources & construction 9.3%
Production & transportation 12.8%
Employment type
Type %
Private sector 87.2%
Government 2.3%
Self-employed 10.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 66.3%
Carpool 2.3%
Public transit 0.0%
Walk 1.2%
Work from home 19.8%
Other means 10.5%
Avg commute (minutes) 26.5
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 25.5%
Retirement income 23.6%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 37.3%
High blood pressure 32.2%
High cholesterol 31.3%
Diabetes 9.6%
Heart disease 6.2%
Stroke 2.7%
Asthma 9.1%
Arthritis 24.7%
Kidney disease 2.6%
Pulmonary disease 6.3%
Cancer 6.7%
Behavior / access %
Smoking 18.6%
Binge drinking 20.7%
No physical activity 23.5%
Less than 7 hrs sleep 28.0%
Depression 19.0%
Fair or poor health 12.1%
Poor mental health 12.2%
Poor physical health 9.1%
No health insurance 9.6%
Visited doctor (checkup) 69.4%
Visited dentist 63.2%
Cholesterol screening 89.3%
Teeth loss 11.4%
Veterans & disability
Veterans Count %
Civilian veterans 18 15.5%
Disability %
Any disability 7.2%
Under 18 12.0%
18–64 years 4.6%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 76.4%
Public insurance 15.9%
No insurance 20.7%
Uninsured under 19 22.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 177 85.1%
Spanish 1 0.6%
Other Indo-European 0 0.0%
Asian & Pacific Islander 1 0.6%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 207 99.5%
Born in same state 207 99.5%
Born in different state 196 94.2%
Foreign born 0 0.0%
Naturalized citizen 1 0.5%
Not a US citizen 1 100.0%
Ancestry
Ancestry Count %
Polish 45 21.6%
French 14 6.7%
Ancestry Count %
Italian 5 2.4%
Arab 3 1.4%
Technology access
Metric % of households
Computer access 26.4%
Internet access 98.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 58445
What city is ZIP code 58445 in?
ZIP code 58445 is primarily assigned to Grace City, North Dakota.
What county is ZIP code 58445 in?
ZIP code 58445 falls within Foster County, North Dakota.
Is ZIP code 58445 family-oriented?
44% of residents in ZIP code 58445 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 58445 mostly owner-occupied?
91% of occupied units in ZIP code 58445 are owner-occupied, well above the national average.
Does ZIP code 58445 have a large veteran population?
16% of civilians in ZIP code 58445 are veterans, above the national average of ~7%.
How educated is the population of ZIP code 58445?
47% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What timezone is ZIP code 58445 in?
ZIP code 58445 observes the CST timezone.
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