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North Dakota ZIP Codes
Mountrail County
Plaza, ND
58771
58771 ZIP Code — Plaza, ND
Mountrail County, North Dakota
ZIP code 58771 is located in
Plaza ,
North Dakota ,
within Mountrail County .
It covers approximately 250.95 square miles and serves a population of
519 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 701 .
About ZIP code 58771
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $133,900. Owner-occupancy is high at 85%, well above the national average.
Median household income is $83,352. The poverty rate of 6% is below the national average. 36% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 24 minutes is near the national average.
College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 58771 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
58771 ZIP code map
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Cities in ZIP code 58771
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
519
Population density
2 / sq mi
State FIPS
38
County FIPS
061
Geography
Land area
250.95 sq mi
Water area
5.26 sq mi
Latitude
48.1091
Longitude
-101.9547
Timezone
Central (CT)
Area code
701
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.8%
36.8%
37.8%
$50k – $100k
33.0%
28.4%
32.8%
$100k – $200k
26.3%
27.5%
23.3%
Over $200k
3.8%
7.3%
6.0%
Demographics & statistics
$83,352
Median household income
$133,900
Median home value
$1,047
Median monthly rent
12.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 154 29.7%
18 and over 365 70.3%
65 and over 91 17.5%
Median age 42.1 years
Race & ethnicity
Group Count %
White 514 99%
Asian 5 1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.8%
36.8%
37.8%
$50k – $100k
33.0%
28.4%
32.8%
$100k – $200k
26.3%
27.5%
23.3%
Over $200k
3.8%
7.3%
6.0%
Range % of households
Under $10k 3.8%
$10k–$15k 4.2%
$15k–$25k 5.2%
$25k–$35k 3.3%
$35k–$50k 18.8%
$50k–$75k 8.0%
$75k–$100k 19.2%
$100k–$150k 23.5%
$150k–$200k 8.9%
$200k+ 5.2%
Median income $83,352
Housing
Housing overview
Metric Value
Median home value $133,900
Median rent / month $1,047
Owner occupied 85.0%
Renter occupied 15.0%
Vacant 32.6%
Single-family detached 83.9%
Large apartment buildings 0.0%
Mobile homes 13.0%
Median rooms 6.2
Avg household size (owned) 2.51
Year built
Era %
2020 or later 0.0%
2010–2019 15.2%
2000–2009 8.9%
1990–1999 16.1%
1980–1989 0.0%
1970–1979 17.1%
1960–1969 3.2%
1950–1959 9.5%
1940–1949 7.0%
1939 or earlier 23.1%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 8.9%
2 bedrooms 15.5%
3 bedrooms 43.4%
4 bedrooms 30.7%
5+ bedrooms 1.6%
Vehicles per household
Vehicles % of households
No vehicle 2.3%
1 vehicle 16.0%
2 vehicles 39.4%
3 or more 42.3%
Heating fuel
Fuel type %
Utility gas 9.9%
Electricity 18.3%
Propane / LP gas 69.5%
Fuel oil 0.9%
Wood 1.4%
Households & families
Household type Count %
Married-couple family 111 52.1%
Cohabiting couple 3 1.4%
Male householder, no spouse 51 23.9%
Female householder, no spouse 48 22.5%
Households with children under 18 78 36.6%
Households with seniors (65+) 79 37.1%
Average household size 2.44
Marital status
Status Male Female
Never married 31.7% 11.0%
Married 57.6% 61.9%
Separated 0.0% 0.0%
Widowed 2.4% 23.2%
Divorced 8.3% 3.9%
Education
Some college, no degree
34.9%
Graduate / professional
7.3%
Metric %
HS diploma or higher 91.3%
Bachelor's or higher 12.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 9 9.4%
Kindergarten 0 0.0%
Elementary school 58 60.4%
High school 29 30.2%
College / grad school 0 0.0%
Employment
Industry of employment
Agriculture & mining
22.4%
Transportation & utilities
16.0%
Finance & real estate
11.4%
Education & healthcare
9.6%
Public administration
1.8%
Occupation
Category %
Management, business & arts 32.4%
Service 2.3%
Sales & office 17.8%
Natural resources & construction 26.9%
Production & transportation 20.5%
Employment type
Type %
Private sector 58.4%
Government 16.0%
Self-employed 25.6%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 67.3%
Carpool 9.0%
Public transit 0.0%
Walk 12.8%
Work from home 10.9%
Other means 0.0%
Avg commute (minutes) 23.8
Poverty
Married-couple families
7.2%
Female-led households
14.3%
Income support
Source % of households
Social Security 36.2%
Retirement income 23.9%
Supplemental Security 0.0%
Cash public assistance 3.3%
Food stamps / SNAP 2.3%
Health indicators
Condition %
Obesity 34.5%
High blood pressure 38.6%
High cholesterol 36.2%
Diabetes 11.0%
Heart disease 8.1%
Stroke 3.4%
Asthma 8.7%
Arthritis 27.6%
Kidney disease 3.2%
Pulmonary disease 7.1%
Cancer 8.3%
Behavior / access %
Smoking 18.7%
Binge drinking 18.4%
No physical activity 26.1%
Less than 7 hrs sleep 28.9%
Depression 17.4%
Fair or poor health 13.5%
Poor mental health 11.3%
Poor physical health 9.8%
No health insurance 10.0%
Visited doctor (checkup) 72.2%
Visited dentist 62.3%
Cholesterol screening 90.8%
Teeth loss 12.9%
Veterans & disability
Veterans Count %
Civilian veterans 13 3.6%
Disability %
Any disability 7.7%
Under 18 7.1%
18–64 years 5.1%
65 and over 16.5%
Health insurance coverage
Type %
Private insurance 89.0%
Public insurance 30.8%
No insurance 6.2%
Uninsured under 19 6.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 488 94.0%
Spanish 9 1.8%
Other Indo-European 9 1.8%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 505 97.3%
Born in same state 505 97.3%
Born in different state 322 62.0%
Foreign born 0 0.0%
Naturalized citizen 14 2.7%
Not a US citizen 5 35.7%
Ancestry
Ancestry Count %
Polish 139 26.8%
Italian 28 5.4%
Arab 14 2.7%
Ancestry Count %
German 10 1.9%
French 6 1.2%
Dutch 6 1.2%
Technology access
Metric % of households
Computer access 41.0%
Internet access 89.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 58771
What city is ZIP code 58771 in?
ZIP code 58771 is primarily assigned to Plaza, North Dakota.
What county is ZIP code 58771 in?
ZIP code 58771 falls within Mountrail County, North Dakota.
How educated is the population of ZIP code 58771?
13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Is ZIP code 58771 mostly owner-occupied?
85% of occupied units in ZIP code 58771 are owner-occupied, well above the national average.
Does ZIP code 58771 have a large retiree population?
36% of households in ZIP code 58771 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 58771?
The median home value in ZIP code 58771 is $133,900.
What timezone is ZIP code 58771 in?
ZIP code 58771 observes the CST timezone.
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