58456 ZIP Code — Kulm, ND

Lamoure County, North Dakota

ZIP code 58456 is located in Kulm, North Dakota, within Lamoure County. It covers approximately 227.23 square miles and serves a population of 601 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 701.

About ZIP code 58456

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 $95,200. Owner-occupancy is high at 89%, well above the national average.

Median household income is $72,500. 43% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 15 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 58456 reflects a community defined by a trades-oriented workforce, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

601
population
227.23
sq mi land
Standard
ZIP type
Central (CT)
timezone
58456 ZIP code map
Cities in ZIP code 58456

Below are the cities the US Postal Service accepts for ZIP code 58456. Using any city not on this list may result in mail delivery delays.

City Status
Kulm Preferred
Nearby ZIP codes
58433 Edgeley (8 mi) 58454 Jud (19.1 mi)
Demographics updated 05/2026
Population
Total population 601
Population density 3 / sq mi
State FIPS 38
County FIPS 045
Geography
Land area 227.23 sq mi
Water area 3.13 sq mi
Latitude 46.3216
Longitude -98.9370
Timezone Central (CT)
Area code 701
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 33.3% 39.2% 37.8%
$50k – $100k 50.2% 36.5% 32.8%
$100k – $200k 14.6% 20.6% 23.3%
Over $200k 1.9% 3.7% 6.0%

Demographics & statistics

601
Population
3
People per sq mi
34.2
Median age
$72,500
Median household income
$32,750
Per capita income
$95,200
Median home value
$650
Median monthly rent
88.7%
Home ownership
7.8%
Poverty rate
2.7%
Unemployment
302
Housing units
18.0%
Bachelor's or higher

Age distribution

Male Female
26
Under 5
23
20
5–9
17
27
10–14
25
17
15–19
16
15
20–24
14
56
25–34
51
40
35–44
35
11
45–54
9
6
55–59
5
22
60–64
20
43
65–74
38
22
75–84
19
13
85+
11
← Male
Female →

Age summary

GroupCount%
Under 1816427.3%
18 and over43772.7%
65 and over14624.3%
Median age34.2 years

Race & ethnicity

White 86.9%
Hispanic or Latino 5.4%
Other race 4.9%
Two or more races 2.5%
American Indian / Alaska Native 0.3%
GroupCount%
White55286.9%
Hispanic or Latino345.4%
Other race314.9%
Two or more races162.5%
American Indian / Alaska Native20.3%

Household income

Income range This ZIP County avg State avg
Under $50k 33.3% 39.2% 37.8%
$50k – $100k 50.2% 36.5% 32.8%
$100k – $200k 14.6% 20.6% 23.3%
Over $200k 1.9% 3.7% 6.0%
Under $10k 2.0%
$10k–$15k 4.8%
$15k–$25k 6.0%
$25k–$35k 14.9%
$35k–$50k 9.3%
$50k–$75k 16.1%
$75k–$100k 16.5%
$100k–$150k 20.6%
$150k–$200k 8.5%
$200k+ 1.2%
Range% of households
Under $10k2.0%
$10k–$15k4.8%
$15k–$25k6.0%
$25k–$35k14.9%
$35k–$50k9.3%
$50k–$75k16.1%
$75k–$100k16.5%
$100k–$150k20.6%
$150k–$200k8.5%
$200k+1.2%
Median income$72,500

Housing

Home values

Under $50k 15.5%
$50k–$100k 39.5%
$100k–$150k 10.5%
$150k–$200k 13.2%
$200k–$300k 2.3%
$300k–$500k 19.1%

Housing overview

MetricValue
Median home value$95,200
Median rent / month$650
Owner occupied88.7%
Renter occupied11.3%
Vacant24.8%
Single-family detached92.7%
Large apartment buildings0.0%
Mobile homes1.2%
Median rooms6.7
Avg household size (owned)2.39

Year built

Era%
2020 or later0.0%
2010–20192.1%
2000–20095.2%
1990–19992.1%
1980–19899.7%
1970–197914.2%
1960–196911.2%
1950–195912.1%
1940–19497.3%
1939 or earlier36.1%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom7.3%
2 bedrooms18.5%
3 bedrooms45.8%
4 bedrooms27.3%
5+ bedrooms1.2%

Vehicles per household

Vehicles% of households
No vehicle2.8%
1 vehicle33.1%
2 vehicles20.6%
3 or more43.5%

Heating fuel

Fuel type%
Utility gas1.6%
Electricity39.1%
Propane / LP gas42.7%
Fuel oil11.7%
No fuel used1.6%

Households & families

Household typeCount%
Married-couple family11646.8%
Cohabiting couple239.3%
Male householder, no spouse6325.4%
Female householder, no spouse4618.5%
Households with children under 189237.1%
Households with seniors (65+)10743.1%
Average household size2.42

Marital status

StatusMaleFemale
Never married19.8%14.1%
Married53.5%60.5%
Separated0.0%0.0%
Widowed4.9%12.3%
Divorced21.8%13.2%

Education

Less than 9th grade 4.7%
Some HS, no diploma 3.5%
HS graduate 31.2%
Some college, no degree 32.7%
Associate's degree 10.0%
Bachelor's degree 10.0%
Graduate / professional 8.0%
Metric%
HS diploma or higher91.8%
Bachelor's or higher18.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1814.2%
Kindergarten21.6%
Elementary school6954.3%
High school3124.4%
College / grad school75.5%

Employment

Industry of employment

Education & healthcare 21.7%
Agriculture & mining 21.0%
Professional & management 10.8%
Other services 10.8%
Wholesale trade 6.6%
Manufacturing 5.9%
Construction 4.5%
Transportation & utilities 4.5%
Finance & real estate 4.5%
Arts, food & hospitality 3.8%
Retail trade 3.5%
Public administration 2.1%

Occupation

Category%
Management, business & arts42.0%
Service9.4%
Sales & office22.7%
Natural resources & construction18.5%
Production & transportation7.3%

Employment type

Type%
Private sector63.6%
Government11.2%
Self-employed17.1%
Unpaid family workers8.0%

Commute

Method%
Drive alone56.9%
Carpool13.8%
Public transit0.0%
Walk5.3%
Work from home20.5%
Other means3.5%
Avg commute (minutes)14.9

Poverty

All people 7.8%
Under 18 years 6.7%
18 and over 8.2%
Married-couple families 0.9%
Female-led households 15.0%

Income support

Source% of households
Social Security43.1%
Retirement income15.3%
Supplemental Security2.8%
Cash public assistance2.0%
Food stamps / SNAP8.1%

Health indicators

Condition%
Obesity35.7%
High blood pressure42.1%
High cholesterol39.2%
Diabetes13.6%
Heart disease10.6%
Stroke4.7%
Asthma9.2%
Arthritis33.5%
Kidney disease4.3%
Pulmonary disease9.3%
Cancer10.4%
Behavior / access%
Smoking17.4%
Binge drinking15.3%
No physical activity29.6%
Less than 7 hrs sleep27.3%
Depression17.8%
Fair or poor health16.9%
Poor mental health11.1%
Poor physical health11.8%
No health insurance10.9%
Visited doctor (checkup)72.9%
Visited dentist61.7%
Cholesterol screening91.8%
Teeth loss15.9%

Veterans & disability

VeteransCount%
Civilian veterans296.6%
Disability%
Any disability11.0%
Under 180.0%
18–64 years3.4%
65 and over38.4%

Health insurance coverage

Type%
Private insurance63.1%
Public insurance41.8%
No insurance8.5%
Uninsured under 191.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only55291.8%
Spanish61.1%
Other Indo-European61.1%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)59999.7%
Born in same state59999.7%
Born in different state44273.5%
Foreign born00.0%
Naturalized citizen20.3%
Not a US citizen150.0%

Ancestry

AncestryCount%
Polish7913.1%
Italian518.5%
French366%
AncestryCount%
Arab61%
English10.2%
Dutch10.2%

Technology access

Metric% of households
Computer access41.3%
Internet access90.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 58456

What city is ZIP code 58456 in?

ZIP code 58456 is primarily assigned to Kulm, North Dakota.

What county is ZIP code 58456 in?

ZIP code 58456 falls within Lamoure County, North Dakota.

Is ZIP code 58456 mostly owner-occupied?

89% of occupied units in ZIP code 58456 are owner-occupied, well above the national average.

Does ZIP code 58456 have a large retiree population?

43% of households in ZIP code 58456 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 58456?

The median home value in ZIP code 58456 is $95,200.

What is the population of ZIP code 58456?

ZIP code 58456 has an estimated population of 601 residents, with a density of 3 people per square mile.

What timezone is ZIP code 58456 in?

ZIP code 58456 observes the CST timezone.

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