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North Dakota ZIP Codes
Williams County
Grenora, ND
58845
58845 ZIP Code — Grenora, ND
Williams County, North Dakota
ZIP code 58845 is located in
Grenora ,
North Dakota ,
within Williams County .
It covers approximately 257.19 square miles and serves a population of
582 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 701 .
About ZIP code 58845
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $183,900. Owner-occupancy is high at 85%, well above the national average.
Median household income is $85,536.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 33 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks. 16% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 18% of civilians, above the national average of 7%.
Overall, ZIP code 58845 reflects a community defined by a strong veteran community and high homeownership.
58845 ZIP code map
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Cities in ZIP code 58845
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
582
Population density
2 / sq mi
State FIPS
38
County FIPS
105
Geography
Land area
257.19 sq mi
Water area
7.15 sq mi
Latitude
48.6485
Longitude
-103.9104
Timezone
Central (CT)
Area code
701
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.6%
29.4%
37.8%
$50k – $100k
56.0%
31.9%
32.8%
$100k – $200k
13.7%
28.3%
23.3%
Over $200k
6.6%
10.3%
6.0%
Demographics & statistics
$85,536
Median household income
$183,900
Median home value
28.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 138 23.7%
18 and over 444 76.3%
65 and over 93 16.0%
Median age 57.5 years
Race & ethnicity
American Indian / Alaska Native
3.2%
Group Count %
White 542 91.2%
American Indian / Alaska Native 19 3.2%
Two or more races 18 3%
Hispanic or Latino 12 2%
Other race 3 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.6%
29.4%
37.8%
$50k – $100k
56.0%
31.9%
32.8%
$100k – $200k
13.7%
28.3%
23.3%
Over $200k
6.6%
10.3%
6.0%
Range % of households
Under $10k 20.8%
$10k–$15k 3.2%
$15k–$25k 5.1%
$25k–$35k 2.9%
$35k–$50k 8.6%
$50k–$75k 4.2%
$75k–$100k 35.1%
$100k–$150k 12.8%
$150k–$200k 2.2%
$200k+ 5.1%
Median income $85,536
Housing
Housing overview
Metric Value
Median home value $183,900
Median rent / month $0
Owner occupied 84.7%
Renter occupied 15.3%
Vacant 15.2%
Single-family detached 79.4%
Large apartment buildings 0.0%
Mobile homes 11.9%
Median rooms 6.9
Avg household size (owned) 1.92
Year built
Era %
2020 or later 0.5%
2010–2019 9.8%
2000–2009 3.5%
1990–1999 1.6%
1980–1989 3.0%
1970–1979 20.6%
1960–1969 6.5%
1950–1959 17.3%
1940–1949 19.8%
1939 or earlier 17.3%
Bedrooms
Size % of units
No bedroom (studio) 1.6%
1 bedroom 1.4%
2 bedrooms 12.5%
3 bedrooms 20.3%
4 bedrooms 53.1%
5+ bedrooms 11.1%
Vehicles per household
Vehicles % of households
No vehicle 1.6%
1 vehicle 27.2%
2 vehicles 25.6%
3 or more 45.7%
Heating fuel
Fuel type %
Utility gas 9.3%
Electricity 21.1%
Propane / LP gas 67.4%
Fuel oil 1.0%
Households & families
Household type Count %
Married-couple family 121 38.7%
Cohabiting couple 3 1.0%
Male householder, no spouse 159 50.8%
Female householder, no spouse 30 9.6%
Households with children under 18 44 14.1%
Households with seniors (65+) 63 20.1%
Average household size 1.86
Marital status
Status Male Female
Never married 58.1% 17.0%
Married 38.9% 68.8%
Separated 0.0% 0.6%
Widowed 0.0% 5.7%
Divorced 3.0% 8.0%
Education
Some college, no degree
16.4%
Graduate / professional
2.4%
Metric %
HS diploma or higher 96.4%
Bachelor's or higher 28.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 9 8.7%
Kindergarten 4 3.8%
Elementary school 50 48.1%
High school 28 26.9%
College / grad school 13 12.5%
Employment
Industry of employment
Finance & real estate
21.4%
Professional & management
16.0%
Agriculture & mining
15.0%
Education & healthcare
7.7%
Transportation & utilities
5.8%
Arts, food & hospitality
4.8%
Public administration
1.9%
Occupation
Category %
Management, business & arts 43.8%
Service 29.1%
Sales & office 8.6%
Natural resources & construction 5.1%
Production & transportation 13.4%
Employment type
Type %
Private sector 53.7%
Government 11.8%
Self-employed 34.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 84.8%
Carpool 2.7%
Public transit 0.0%
Walk 6.1%
Work from home 6.5%
Other means 0.0%
Avg commute (minutes) 32.9
Poverty
Married-couple families
0.8%
Female-led households
16.7%
Income support
Source % of households
Social Security 22.4%
Retirement income 11.5%
Supplemental Security 0.0%
Cash public assistance 4.2%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 36.4%
High blood pressure 38.0%
High cholesterol 36.4%
Diabetes 11.4%
Heart disease 8.5%
Stroke 3.7%
Asthma 9.2%
Arthritis 28.3%
Kidney disease 3.3%
Pulmonary disease 7.8%
Cancer 8.1%
Behavior / access %
Smoking 20.6%
Binge drinking 18.7%
No physical activity 26.9%
Less than 7 hrs sleep 31.0%
Depression 18.8%
Fair or poor health 14.6%
Poor mental health 12.4%
Poor physical health 10.6%
No health insurance 11.0%
Visited doctor (checkup) 70.4%
Visited dentist 60.7%
Cholesterol screening 90.1%
Teeth loss 14.7%
Veterans & disability
Veterans Count %
Civilian veterans 80 18.1%
Disability %
Any disability 11.6%
Under 18 2.9%
18–64 years 7.2%
65 and over 40.9%
Health insurance coverage
Type %
Private insurance 64.1%
Public insurance 30.2%
No insurance 15.7%
Uninsured under 19 13.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 526 90.4%
Spanish 11 2.1%
Other Indo-European 8 1.5%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 574 98.6%
Born in same state 572 98.3%
Born in different state 380 65.3%
Foreign born 2 0.3%
Naturalized citizen 8 1.4%
Not a US citizen 2 25.0%
Ancestry
Ancestry Count %
Polish 225 38.7%
Dutch 26 4.5%
Italian 18 3.1%
Ancestry Count %
French 15 2.6%
Arab 5 0.9%
English 4 0.7%
Technology access
Metric % of households
Computer access 53.8%
Internet access 81.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 58845
What city is ZIP code 58845 in?
ZIP code 58845 is primarily assigned to Grenora, North Dakota.
What county is ZIP code 58845 in?
ZIP code 58845 falls within Williams County, North Dakota.
Is ZIP code 58845 mostly owner-occupied?
85% of occupied units in ZIP code 58845 are owner-occupied, well above the national average.
Does ZIP code 58845 have a large veteran population?
18% of civilians in ZIP code 58845 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 58845?
The median home value in ZIP code 58845 is $183,900.
What is the population of ZIP code 58845?
ZIP code 58845 has an estimated population of 582 residents, with a density of 2 people per square mile.
What timezone is ZIP code 58845 in?
ZIP code 58845 observes the CST timezone.
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