58323 ZIP Code — Calvin, ND
Cavalier County, North Dakota
ZIP code 58323 is located in Calvin, North Dakota, within Cavalier County. It covers approximately 75.64 square miles and serves a population of 80 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 701.
80
population
75.64
sq mi land
Standard
ZIP type
Central (CT)
timezone
58323 ZIP code map
Cities in ZIP code 58323
Below are the cities the US Postal Service accepts for ZIP code 58323. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Calvin | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 80 |
| Population density | 1 / sq mi |
| State FIPS | 38 |
| County FIPS | 019 |
| Geography | |
|---|---|
| Land area | 75.64 sq mi |
| Water area | 0.65 sq mi |
| Latitude | 48.8485 |
| Longitude | -98.9223 |
| 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 | 45.0% | 43.2% | 37.8% |
| $50k – $100k | 0.0% | 30.3% | 32.8% |
| $100k – $200k | 40.0% | 18.3% | 23.3% |
| Over $200k | 15.0% | 8.1% | 6.0% |
Demographics & statistics
80
Population
1
People per sq mi
18.6
Median age
$172,500
Median household income
$57,288
Per capita income
$0
Median home value
$0
Median monthly rent
100.0%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
23
Housing units
33.3%
Bachelor's or higher
Age distribution
Male
Female
14
10–14
7
15
15–19
7
5
20–24
2
11
45–54
5
3
55–59
2
1
60–64
0
3
65–74
1
3
75–84
1
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 36 | 45.0% |
| 18 and over | 44 | 55.0% |
| 65 and over | 8 | 10.0% |
| Median age | 18.6 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 80 | 100% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 45.0% | 43.2% | 37.8% |
| $50k – $100k | 0.0% | 30.3% | 32.8% |
| $100k – $200k | 40.0% | 18.3% | 23.3% |
| Over $200k | 15.0% | 8.1% | 6.0% |
$15k–$25k
11.1%
$50k–$75k
16.7%
$100k–$150k
16.7%
$150k–$200k
16.7%
$200k+
38.9%
| Range | % of households |
|---|---|
| $15k–$25k | 11.1% |
| $50k–$75k | 16.7% |
| $100k–$150k | 16.7% |
| $150k–$200k | 16.7% |
| $200k+ | 38.9% |
| Median income | $172,500 |
Housing
Home values
Under $50k
50.0%
$50k–$100k
11.1%
$100k–$150k
5.6%
$300k–$500k
33.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $0 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 21.7% |
| Single-family detached | 95.7% |
| Large apartment buildings | 0.0% |
| Mobile homes | 4.3% |
| Median rooms | 6.7 |
| Avg household size (owned) | 4.44 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 13.0% |
| 2000–2009 | 0.0% |
| 1990–1999 | 4.3% |
| 1980–1989 | 0.0% |
| 1970–1979 | 8.7% |
| 1960–1969 | 52.2% |
| 1950–1959 | 4.3% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 17.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 13.0% |
| 2 bedrooms | 4.3% |
| 3 bedrooms | 39.1% |
| 4 bedrooms | 43.5% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 22.2% |
| 2 vehicles | 0.0% |
| 3 or more | 77.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 61.1% |
| Propane / LP gas | 38.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 14 | 77.8% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 3 | 16.7% |
| Female householder, no spouse | 1 | 5.6% |
| Households with children under 18 | 8 | 44.4% |
| Households with seniors (65+) | 6 | 33.3% |
| Average household size | 4.44 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 52.8% | 43.5% |
| Married | 47.2% | 52.2% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 4.3% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
3.3%
HS graduate
20.0%
Some college, no degree
13.3%
Associate's degree
30.0%
Bachelor's degree
30.0%
Graduate / professional
3.3%
| Metric | % |
|---|---|
| HS diploma or higher | 96.7% |
| Bachelor's or higher | 33.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 21 | 42.0% |
| High school | 22 | 44.0% |
| College / grad school | 7 | 14.0% |
Employment
Industry of employment
Construction
36.7%
Agriculture & mining
30.0%
Education & healthcare
20.0%
Public administration
6.7%
Wholesale trade
3.3%
Retail trade
3.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.7% |
| Service | 0.0% |
| Sales & office | 6.7% |
| Natural resources & construction | 46.7% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 20.0% |
| Government | 26.7% |
| Self-employed | 30.0% |
| Unpaid family workers | 23.3% |
Commute
| Method | % |
|---|---|
| Drive alone | 90.0% |
| Carpool | 3.3% |
| Public transit | 0.0% |
| Walk | 6.7% |
| Work from home | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 18.3 |
Poverty
All people
0.0%
Under 18 years
0.0%
18 and over
0.0%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 33.3% |
| Retirement income | 0.0% |
| Supplemental Security | 0.0% |
| Cash public assistance | 5.6% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 0.0% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Smoking | 0.0% |
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Depression | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 3 | 6.8% |
| Disability | % |
|---|---|
| Any disability | 0.0% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 0.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 95.0% |
| Public insurance | 10.0% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 80 | 100.0% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 79 | 98.8% |
| Born in same state | 79 | 98.8% |
| Born in different state | 74 | 92.5% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 1 | 1.2% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 12 | 15% |
| Arab | 3 | 3.8% |
| Ancestry | Count | % |
|---|---|---|
| English | 2 | 2.5% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 22.5% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 58323
What city is ZIP code 58323 in?
ZIP code 58323 is primarily assigned to Calvin, North Dakota.
What county is ZIP code 58323 in?
ZIP code 58323 falls within Cavalier County, North Dakota.
Is ZIP code 58323 family-oriented?
45% of residents in ZIP code 58323 are under 18, reflecting a younger, family-oriented community.
What is the median household income in ZIP code 58323?
The median household income in ZIP code 58323 is $172,500, above the national median of ~$75,000.
What is the population of ZIP code 58323?
ZIP code 58323 has an estimated population of 80 residents, with a density of 1 people per square mile.
What timezone is ZIP code 58323 in?
ZIP code 58323 observes the CST timezone.