58018 ZIP Code — Colfax, ND

Richland County, North Dakota

ZIP code 58018 is located in Colfax, North Dakota, within Richland County. It covers approximately 73.60 square miles and serves a population of 467 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 701.

About ZIP code 58018

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 $245,500. Owner-occupancy is high at 94%, well above the national average.

The gap between median ($101,250) and mean household income suggests income inequality — a small number of higher earners pull the average up.

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. Remote work is prevalent — 21% of workers work from home.

Educational attainment is near the national average, with 44% of residents holding a bachelor's degree or higher.

Overall, ZIP code 58018 reflects a community defined by high homeownership and a high rate of remote workers.

467
population
73.60
sq mi land
Standard
ZIP type
Central (CT)
timezone
58018 ZIP code map
Cities in ZIP code 58018

Below are the cities the US Postal Service accepts for ZIP code 58018. Using any city not on this list may result in mail delivery delays.

City Status
Colfax Preferred
Nearby ZIP codes
58077 Walcott (7.7 mi) 56553 Kent (8.5 mi) 58015 Christine (9.3 mi) 58061 Mooreton (11 mi) 58075 Wahpeton (11.5 mi) 58081 Wyndmere (14.4 mi) 56594 Wolverton (15.4 mi) 58076 Wahpeton (16 mi) 58058 Mantador (17.1 mi) 58051 Kindred (17.2 mi) 58057 Mcleod (19.8 mi)
Demographics updated 05/2026
Population
Total population 467
Population density 6 / sq mi
State FIPS 38
County FIPS 077
Geography
Land area 73.60 sq mi
Water area 0.00 sq mi
Latitude 46.4201
Longitude -96.8658
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 13.4% 43.3% 37.8%
$50k – $100k 43.3% 33.3% 32.8%
$100k – $200k 28.7% 19.6% 23.3%
Over $200k 14.6% 3.7% 6.0%

Demographics & statistics

467
Population
6
People per sq mi
41.2
Median age
$101,250
Median household income
$50,973
Per capita income
$245,500
Median home value
$0
Median monthly rent
93.5%
Home ownership
0.2%
Poverty rate
2.9%
Unemployment
164
Housing units
44.1%
Bachelor's or higher

Age distribution

Male Female
13
Under 5
11
13
5–9
12
25
10–14
22
22
15–19
19
5
20–24
5
23
25–34
21
53
35–44
48
19
45–54
16
19
55–59
16
13
60–64
12
30
65–74
27
10
75–84
8
3
85+
2
← Male
Female →

Age summary

GroupCount%
Under 1813629.1%
18 and over33170.9%
65 and over8017.1%
Median age41.2 years

Race & ethnicity

White 57.3%
Hispanic or Latino 21.1%
Other race 16.7%
Two or more races 4.9%
GroupCount%
White33957.3%
Hispanic or Latino12521.1%
Other race9916.7%
Two or more races294.9%

Household income

Income range This ZIP County avg State avg
Under $50k 13.4% 43.3% 37.8%
$50k – $100k 43.3% 33.3% 32.8%
$100k – $200k 28.7% 19.6% 23.3%
Over $200k 14.6% 3.7% 6.0%
$15k–$25k 0.6%
$25k–$35k 3.2%
$35k–$50k 8.4%
$50k–$75k 13.6%
$75k–$100k 24.0%
$100k–$150k 21.4%
$150k–$200k 7.8%
$200k+ 20.8%
Range% of households
$15k–$25k0.6%
$25k–$35k3.2%
$35k–$50k8.4%
$50k–$75k13.6%
$75k–$100k24.0%
$100k–$150k21.4%
$150k–$200k7.8%
$200k+20.8%
Median income$101,250

Housing

Home values

Under $50k 4.2%
$50k–$100k 6.3%
$100k–$150k 21.5%
$150k–$200k 11.1%
$200k–$300k 24.3%
$300k–$500k 20.8%
$500k–$1M 11.8%

Housing overview

MetricValue
Median home value$245,500
Median rent / month$0
Owner occupied93.5%
Renter occupied6.5%
Vacant11.5%
Single-family detached99.4%
Large apartment buildings0.0%
Mobile homes0.6%
Median rooms7.0
Avg household size (owned)2.90

Year built

Era%
2020 or later0.0%
2010–20199.2%
2000–200912.6%
1990–19994.0%
1980–19896.3%
1970–197920.7%
1960–19696.9%
1950–19592.3%
1940–194913.2%
1939 or earlier24.7%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom2.3%
2 bedrooms36.8%
3 bedrooms31.6%
4 bedrooms19.0%
5+ bedrooms10.3%

Vehicles per household

Vehicles% of households
No vehicle0.6%
1 vehicle11.7%
2 vehicles29.9%
3 or more57.8%

Heating fuel

Fuel type%
Utility gas1.3%
Electricity46.1%
Propane / LP gas33.8%
Fuel oil9.7%
Wood5.8%
No fuel used1.9%

Households & families

Household typeCount%
Married-couple family10467.5%
Cohabiting couple149.1%
Male householder, no spouse2314.9%
Female householder, no spouse138.4%
Households with children under 185233.8%
Households with seniors (65+)4126.6%
Average household size3.03

Marital status

StatusMaleFemale
Never married27.6%19.2%
Married68.3%70.9%
Separated0.0%0.0%
Widowed0.0%5.2%
Divorced4.0%4.7%

Education

Less than 9th grade 0.3%
Some HS, no diploma 3.4%
HS graduate 13.1%
Some college, no degree 17.2%
Associate's degree 21.9%
Bachelor's degree 35.0%
Graduate / professional 9.1%
Metric%
HS diploma or higher96.3%
Bachelor's or higher44.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten43.7%
Elementary school6256.9%
High school4036.7%
College / grad school32.8%

Employment

Industry of employment

Agriculture & mining 19.5%
Education & healthcare 19.0%
Manufacturing 12.0%
Construction 11.0%
Other services 6.5%
Finance & real estate 6.0%
Public administration 6.0%
Retail trade 5.5%
Professional & management 5.0%
Transportation & utilities 4.5%
Wholesale trade 3.5%
Information 1.0%
Arts, food & hospitality 0.5%

Occupation

Category%
Management, business & arts54.5%
Service11.5%
Sales & office15.5%
Natural resources & construction10.5%
Production & transportation8.0%

Employment type

Type%
Private sector71.0%
Government9.5%
Self-employed19.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone68.5%
Carpool3.5%
Public transit0.0%
Walk6.0%
Work from home21.0%
Other means1.0%
Avg commute (minutes)23.8

Poverty

All people 0.2%
Under 18 years 0.0%
18 and over 0.3%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security29.9%
Retirement income13.6%
Supplemental Security0.0%
Cash public assistance1.9%
Food stamps / SNAP4.5%

Health indicators

Condition%
Obesity34.4%
High blood pressure29.5%
High cholesterol31.2%
Diabetes8.9%
Heart disease6.3%
Stroke2.7%
Asthma8.3%
Arthritis24.2%
Kidney disease2.6%
Pulmonary disease5.4%
Cancer7.1%
Behavior / access%
Smoking15.8%
Binge drinking21.6%
No physical activity20.6%
Less than 7 hrs sleep28.7%
Depression16.8%
Fair or poor health10.2%
Poor mental health11.1%
Poor physical health8.2%
No health insurance8.6%
Visited doctor (checkup)70.1%
Visited dentist68.8%
Cholesterol screening90.4%
Teeth loss10.8%

Veterans & disability

VeteransCount%
Civilian veterans319.4%
Disability%
Any disability6.9%
Under 180.7%
18–64 years6.4%
65 and over18.8%

Health insurance coverage

Type%
Private insurance77.9%
Public insurance33.2%
No insurance10.1%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only44394.9%
Spanish20.5%
Other Indo-European00.0%
Asian & Pacific Islander20.5%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)46599.6%
Born in same state45998.3%
Born in different state23349.9%
Foreign born61.3%
Naturalized citizen20.4%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish15232.5%
French6113.1%
Italian71.5%
AncestryCount%
Arab30.6%
German20.4%

Technology access

Metric% of households
Computer access33.0%
Internet access97.4%

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

Frequently asked questions about ZIP code 58018

What city is ZIP code 58018 in?

ZIP code 58018 is primarily assigned to Colfax, North Dakota.

What county is ZIP code 58018 in?

ZIP code 58018 falls within Richland County, North Dakota.

Is ZIP code 58018 mostly owner-occupied?

94% of occupied units in ZIP code 58018 are owner-occupied, well above the national average.

Does ZIP code 58018 have a large veteran population?

9% of civilians in ZIP code 58018 are veterans, above the national average of ~7%.

What is the population of ZIP code 58018?

ZIP code 58018 has an estimated population of 467 residents, with a density of 6 people per square mile.

What is the median household income in ZIP code 58018?

The median household income in ZIP code 58018 is $101,250, above the national median of ~$75,000.

What timezone is ZIP code 58018 in?

ZIP code 58018 observes the CST timezone.

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