Postal Codes

58531 ZIP Code

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ZIP code 58531 covers Coleharbor, North Dakota, with a population of about 328 and a median household income of $67,067.

Population
3283 per square mile
Median age
65.927.2 points above the US average
Median household income
$67,06712% below the North Dakota median
Poverty rate
6.1%6.3 points below the US average
Typical home value
$375,949up 19.2% in five years
Degree or higher
24.2%10.8 points below the US average
Homeownership
100%35 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
8

Where 58531 is

Coleharbor, North Dakota — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population328
Median age65.9
Family households64.6%
Born outside the US0%
Speaks a language other than English at home0.6%
White (non-Hispanic)98.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans13.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$67,067
Income per person$53,380
Poverty rate6.1%
Households on SNAP or cash assistance10.8%

Household income distribution

Under $10k2.6%
$10–15k2.1%
$15–20k1.5%
$20–25k0.0%
$25–30k1.5%
$30–35k0.0%
$35–40k8.7%
$40–45k14.9%
$45–50k0.0%
$50–60k7.7%
$60–75k13.3%
$75–100k17.9%
$100–125k4.6%
$125–150k1.5%
$150–200k8.7%
$200k or more14.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed210
Mean adjusted gross income$116,695
Returns declaring $200,000 or more14.3%
Returns, under $25k19.0%
Returns, $25k–$50k14.3%
Returns, $50k–$75k9.5%
Returns, $75k–$100k9.5%
Returns, $100k–$200k33.3%
Returns, $200k or more14.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$262,500
Owner-occupied100%
Vacant homes35.2%
Median year built1991

What the homes are

Detached house89.4%
Mobile home10.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$375,949as of 2026-07
Typical home value, 1 yearup 6%
Typical home value, 5 yearsup 19.2%
Typical home value since 2000
201720212026$375,949$272,836

$277,416 in 2017 to $375,949 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5%
Bachelor's degree or higher24.2%
High school diploma or higher87.1%
Works from home25%
Drives to work alone57.9%
Takes public transport0%
Commutes 45 minutes or more35.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity40.8% 7.4 pts above the national average of 33.4%
Diagnosed diabetes13% 1 pts above the national average of 12%
Currently smokes13.8% 0.6 pts above the national average of 13.2%
High blood pressure42.1% 8 pts above the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)6.2% 5.1 pts below the national average of 11.3%
Depression19.2% 2.7 pts below the national average of 21.9%
No leisure-time physical activity26.3% 0.9 pts above the national average of 25.4%
Arthritis35.9% 10.8 pts above the national average of 25.1%
Binge drinking17.1% 1.1 pts above the national average of 16%
Taking blood pressure medication84.1% 9.4 pts above the national average of 74.7%
Cancer (non-skin)12.4% 4.7 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease9% 2.8 pts above the national average of 6.2%
Routine check-up in past year80.4% 3.7 pts above the national average of 76.7%
Cholesterol screening89.5% 3.6 pts above the national average of 85.9%
Cognitive disability10.8% 4 pts below the national average of 14.8%
Colorectal screening71.3% 7 pts above the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist65.3% 4 pts above the national average of 61.3%
Any disability30.9% same as the national average of 30.7%
Lacks emotional support20.4% 4.4 pts below the national average of 24.8%
Food insecurity8.5% 8.6 pts below the national average of 17.1%
Received food stamps5.3% 9 pts below the national average of 14.3%
Hearing disability10.9% 4.2 pts above the national average of 6.7%
High cholesterol42.1% 5.9 pts above the national average of 36.2%
Housing insecurity6.8% 7 pts below the national average of 13.8%
Independent living disability7.3% 1.1 pts below the national average of 8.4%
Lacks transport5% 4.2 pts below the national average of 9.2%
Loneliness27.3% 7.1 pts below the national average of 34.4%
Mammography use77.6% 1.7 pts above the national average of 75.9%
Poor mental health (14+ days)12.1% 4.7 pts below the national average of 16.8%
Mobility disability15.5% 1.5 pts above the national average of 14%
Poor physical health (14+ days)13.6% same as the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Utility shut-off threat4.5% 4.3 pts below the national average of 8.8%
Sleeps under 7 hours31.7% 4.7 pts below the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost10.2% 2.8 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments8
People employed28
Annual payroll$1,545,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 97.4% of US census tracts
FEMA ratingRelatively High to Very High across the 2 census tracts this ZIP code covers
Expected annual loss98.3 out of 100
Community resilience69.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather100Very High at its worst in this ZIP code
Cold wave99.8Very High at its worst in this ZIP code
Strong wind99.6Very High at its worst in this ZIP code
Hail99.4Very High at its worst in this ZIP code
Ice storm99.3Very High at its worst in this ZIP code
Wildfire95.4Relatively High at its worst in this ZIP code
Tornado94.9Very High at its worst in this ZIP code
River flooding93.2Very High at its worst in this ZIP code
Drought89.2Relatively Low at its worst in this ZIP code
Landslide83.4Relatively Low at its worst in this ZIP code
Lightning68.8Relatively Moderate at its worst in this ZIP code
Heat wave30.9Relatively Low at its worst in this ZIP code
Earthquake25.8Very Low at its worst in this ZIP code
Compared with North Dakota and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNorth DakotaUnited States
Median household income$67,067$75,949$78,538
Income per person$53,380$42,474$43,289
Poverty rate6.1%10.6%12.4%
Median home value$262,500$241,100$303,400
Median gross rent$934$1,348
Homeownership100%63.4%65%
Bachelor's degree or higher24.2%32.3%35%
Unemployment rate5%2.8%5.2%
Works from home25%7.3%13.5%
Born outside the US0%4.5%13.9%
Median age65.935.738.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationUNDERWOOD, ND US11.5 km away
Rain in a year18 in
Snow in a year39 in

Average high and low by month

January18.9°F / 0.7°F0.54 in rain, 6.7 in snow
February23.3°F / 3.6°F0.5 in rain, 5 in snow
March36.4°F / 15.8°F0.78 in rain, 6.8 in snow
April52.5°F / 28.8°F1.39 in rain, 2.7 in snow
May65.7°F / 41.8°F2.59 in rain, 0.7 in snow
June75.1°F / 52.3°F3.78 in rain
July81.8°F / 57.4°F2.44 in rain
August81.8°F / 54.9°F1.68 in rain
September71°F / 45.3°F1.56 in rain
October54°F / 31.7°F1.41 in rain, 1.6 in snow
November36.7°F / 18.1°F0.73 in rain, 4.2 in snow
December23.8°F / 7°F0.63 in rain, 10.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Underwood Public School District 850.3% of this ZIP code's land area
Turtle Lake-Mercer Public School District 7224.5% of this ZIP code's land area
Garrison Public School District 5121.3% of this ZIP code's land area
Max Public School District 503.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability31more vulnerable than 31% of US census tracts
Socioeconomic status15more vulnerable than 15% of US census tracts
Household characteristics38more vulnerable than 38% of US census tracts
Racial and ethnic minority status11more vulnerable than 11% of US census tracts
Housing type and transport72more vulnerable than 72% of US census tracts
Walkability5.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

58576 Underwood, ND9.7 km away
58565 Riverdale, ND12.2 km away
58575 Turtle Lake, ND25.7 km away
58571 Stanton, ND28.6 km away
58716 Benedict, ND29.7 km away
58577 Washburn, ND30.4 km away
58759 Max, ND30.6 km away
58540 Garrison, ND32.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

McLean County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area118.2 sq mi
Water area45.55 sq mi
Population density3 people per sq mi
Latitude, longitude47.5442, -101.2238

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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