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North Dakota ZIP Codes
Cass County
Davenport, ND
58021
58021 ZIP Code — Davenport, ND
Cass County, North Dakota
ZIP code 58021 is located in
Davenport ,
North Dakota ,
within Cass County .
It covers approximately 65.05 square miles and serves a population of
595 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 701 .
About ZIP code 58021
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 $231,800. Owner-occupancy is high at 94%, well above the national average.
The gap between median ($76,406) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
58021 ZIP code map
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Cities in ZIP code 58021
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
595
Population density
9 / sq mi
State FIPS
38
County FIPS
017
Geography
Land area
65.05 sq mi
Water area
0.00 sq mi
Latitude
46.7316
Longitude
-97.0678
Timezone
Central (CT)
Area code
701
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.0%
36.6%
37.8%
$50k – $100k
33.7%
33.6%
32.8%
$100k – $200k
25.9%
22.5%
23.3%
Over $200k
11.4%
7.4%
6.0%
Demographics & statistics
$76,406
Median household income
$231,800
Median home value
32.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 182 30.6%
18 and over 413 69.4%
65 and over 30 5.0%
Median age 38.7 years
Race & ethnicity
Group Count %
White 581 96.2%
Hispanic or Latino 9 1.5%
Two or more races 9 1.5%
Other race 5 0.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.0%
36.6%
37.8%
$50k – $100k
33.7%
33.6%
32.8%
$100k – $200k
25.9%
22.5%
23.3%
Over $200k
11.4%
7.4%
6.0%
Range % of households
Under $10k 1.5%
$10k–$15k 0.5%
$25k–$35k 6.2%
$35k–$50k 22.1%
$50k–$75k 17.4%
$75k–$100k 14.9%
$100k–$150k 14.9%
$150k–$200k 12.3%
$200k+ 10.3%
Median income $76,406
Housing
Housing overview
Metric Value
Median home value $231,800
Median rent / month $0
Owner occupied 93.8%
Renter occupied 6.2%
Vacant 3.9%
Single-family detached 85.2%
Large apartment buildings 0.0%
Mobile homes 6.9%
Median rooms 7.6
Avg household size (owned) 3.16
Year built
Era %
2020 or later 0.0%
2010–2019 4.9%
2000–2009 11.8%
1990–1999 3.9%
1980–1989 9.4%
1970–1979 15.8%
1960–1969 12.3%
1950–1959 4.4%
1940–1949 1.0%
1939 or earlier 36.5%
Bedrooms
Size % of units
No bedroom (studio) 1.0%
1 bedroom 8.9%
2 bedrooms 20.7%
3 bedrooms 22.2%
4 bedrooms 24.6%
5+ bedrooms 22.7%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 21.0%
2 vehicles 35.4%
3 or more 43.6%
Heating fuel
Fuel type %
Electricity 41.0%
Propane / LP gas 35.9%
Fuel oil 8.7%
Wood 6.7%
No fuel used 6.7%
Households & families
Household type Count %
Married-couple family 137 70.3%
Cohabiting couple 6 3.1%
Male householder, no spouse 33 16.9%
Female householder, no spouse 19 9.7%
Households with children under 18 96 49.2%
Households with seniors (65+) 22 11.3%
Average household size 3.05
Marital status
Status Male Female
Never married 29.3% 14.2%
Married 59.0% 75.0%
Separated 0.0% 1.5%
Widowed 4.2% 5.4%
Divorced 7.5% 3.9%
Education
Some college, no degree
16.8%
Graduate / professional
8.7%
Metric %
HS diploma or higher 88.7%
Bachelor's or higher 32.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 8 4.2%
Kindergarten 12 6.3%
Elementary school 105 54.7%
High school 46 24.0%
College / grad school 21 10.9%
Employment
Industry of employment
Education & healthcare
30.5%
Transportation & utilities
10.1%
Agriculture & mining
7.1%
Public administration
5.8%
Finance & real estate
5.5%
Professional & management
4.9%
Arts, food & hospitality
1.9%
Occupation
Category %
Management, business & arts 39.6%
Service 9.4%
Sales & office 18.8%
Natural resources & construction 16.2%
Production & transportation 15.9%
Employment type
Type %
Private sector 74.4%
Government 16.2%
Self-employed 9.4%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 74.7%
Carpool 10.6%
Public transit 0.0%
Walk 5.8%
Work from home 4.4%
Other means 4.4%
Avg commute (minutes) 34.4
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 16.4%
Retirement income 14.4%
Supplemental Security 0.0%
Cash public assistance 0.5%
Food stamps / SNAP 5.6%
Health indicators
Condition %
Obesity 33.0%
High blood pressure 26.4%
High cholesterol 28.3%
Diabetes 7.5%
Heart disease 4.4%
Stroke 2.0%
Asthma 8.7%
Arthritis 19.7%
Kidney disease 2.1%
Pulmonary disease 4.2%
Cancer 6.3%
Behavior / access %
Smoking 15.2%
Binge drinking 22.5%
No physical activity 19.2%
Less than 7 hrs sleep 29.7%
Depression 19.2%
Fair or poor health 8.7%
Poor mental health 11.1%
Poor physical health 6.6%
No health insurance 8.4%
Visited doctor (checkup) 68.7%
Visited dentist 73.9%
Cholesterol screening 90.4%
Teeth loss 8.4%
Veterans & disability
Veterans Count %
Civilian veterans 16 3.9%
Disability %
Any disability 5.8%
Under 18 1.1%
18–64 years 5.8%
65 and over 33.3%
Health insurance coverage
Type %
Private insurance 79.5%
Public insurance 9.6%
No insurance 14.0%
Uninsured under 19 14.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 571 96.0%
Spanish 20 3.5%
Other Indo-European 20 3.5%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 574 96.5%
Born in same state 574 96.5%
Born in different state 408 68.6%
Foreign born 0 0.0%
Naturalized citizen 21 3.5%
Not a US citizen 8 38.1%
Ancestry
Ancestry Count %
Polish 116 19.5%
Italian 84 14.1%
French 6 1%
Ancestry Count %
English 5 0.8%
Dutch 4 0.7%
Technology access
Metric % of households
Computer access 32.8%
Internet access 95.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 58021
What city is ZIP code 58021 in?
ZIP code 58021 is primarily assigned to Davenport, North Dakota.
What county is ZIP code 58021 in?
ZIP code 58021 falls within Cass County, North Dakota.
Is ZIP code 58021 family-oriented?
31% of residents in ZIP code 58021 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 58021 mostly owner-occupied?
94% of occupied units in ZIP code 58021 are owner-occupied, well above the national average.
What is the population of ZIP code 58021?
ZIP code 58021 has an estimated population of 595 residents, with a density of 9 people per square mile.
What is the typical home value in ZIP code 58021?
The median home value in ZIP code 58021 is $231,800.
What timezone is ZIP code 58021 in?
ZIP code 58021 observes the CST timezone.
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