Cass County, ND ZIP Codes

North Dakota (ND)  ·  34 ZIP codes  ·  22 cities
34
ZIP codes
186,562
population (2021)
+24.6%
pop change since 2010
38017
FIPS code
Cass County ZIP code map
About Cass County
Cass County is located in North Dakota and contains 34 ZIP codes across 22 cities and communities. The county's population was 186,562 as of 2021, an increase of 24.6% from 149,778 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Cass County is 38017.
Population
2021 population186,562
2010 population149,778
Change+24.6%
County details
StateNorth Dakota
FIPS code38017
TimezoneMountain
Daylight savingYes
Cities in Cass County
ZIP codes for Cass County, ND (34)

Demographics & statistics

183,956
Population
33.2
Median age
$77,849
Median household income
$44,028
Per capita income
$266,065
Median home value
$466
Median monthly rent
81.1%
Home ownership
6.4%
Poverty rate
2.4%
Unemployment
48,096
Housing units
37.8%
Bachelor's or higher

Age distribution

Male Female
6,454
Under 5
5,652
6,327
5–9
5,540
6,075
10–14
5,320
6,078
15–19
5,323
10,558
20–24
9,246
16,619
25–34
14,554
13,607
35–44
11,916
9,861
45–54
8,636
4,981
55–59
4,362
5,023
60–64
4,398
7,406
65–74
6,485
3,456
75–84
3,026
1,628
85+
1,425
← Male
Female →

Age summary

GroupCount%
Under 1841,23824.2%
18 and over142,71875.8%
65 and over23,42615.5%
Median age33.2 years

Race & ethnicity

White 83%
Black or African American 6.4%
Two or more races 4%
Asian 3.1%
Hispanic or Latino 1.8%
American Indian / Alaska Native 1%
Other race 0.7%
GroupCount%
White155,53383%
Black or African American11,9416.4%
Two or more races7,4274%
Asian5,8803.1%
Hispanic or Latino3,4171.8%
American Indian / Alaska Native1,8961%
Other race1,2790.7%

Household income

Under $10k 2.4%
$10k–$15k 2.2%
$15k–$25k 4.8%
$25k–$35k 4.6%
$35k–$50k 8.7%
$50k–$75k 16.1%
$75k–$100k 14.4%
$100k–$150k 22.9%
$150k–$200k 12.4%
$200k+ 11.4%
Range% of households
Under $10k2.4%
$10k–$15k2.2%
$15k–$25k4.8%
$25k–$35k4.6%
$35k–$50k8.7%
$50k–$75k16.1%
$75k–$100k14.4%
$100k–$150k22.9%
$150k–$200k12.4%
$200k+11.4%
Median income$77,849

Housing

Home values

Under $50k 3.9%
$50k–$100k 7.9%
$100k–$150k 11.4%
$150k–$200k 11.6%
$200k–$300k 26.4%
$300k–$500k 29.0%
$500k–$1M 9.2%
$1M+ 0.7%

Housing overview

MetricValue
Median home value$266,065
Median rent / month$466
Owner occupied81.1%
Renter occupied18.9%
Vacant9.3%
Single-family detached77.9%
Large apartment buildings6.1%
Mobile homes5.2%
Median rooms6.9
Avg household size (owned)2.66

Year built

Era%
2020 or later0.5%
2010–201910.8%
2000–200913.0%
1990–19998.7%
1980–19899.0%
1970–197917.0%
1960–19699.3%
1950–19597.6%
1940–19493.3%
1939 or earlier20.8%

Bedrooms

Size% of units
No bedroom (studio)1.6%
1 bedroom5.1%
2 bedrooms20.9%
3 bedrooms31.4%
4 bedrooms28.0%
5+ bedrooms12.9%

Vehicles per household

Vehicles% of households
No vehicle1.8%
1 vehicle17.0%
2 vehicles40.8%
3 or more40.4%

Heating fuel

Fuel type%
Utility gas17.8%
Electricity41.2%
Propane / LP gas33.5%
Fuel oil4.2%
Wood0.7%
No fuel used1.0%

Households & families

Household typeCount%
Married-couple family35,10262.7%
Cohabiting couple6,0076.9%
Male householder, no spouse18,69117.1%
Female householder, no spouse19,78313.2%
Households with children under 1821,72232.8%
Households with seniors (65+)16,34726.2%
Average household size2.52

Marital status

StatusMaleFemale
Never married29.6%21.2%
Married60.0%66.1%
Separated0.3%0.5%
Widowed3.3%6.5%
Divorced6.8%5.8%

Education

Less than 9th grade 1.4%
Some HS, no diploma 3.1%
HS graduate 19.9%
Some college, no degree 23.6%
Associate's degree 14.3%
Bachelor's degree 30.0%
Graduate / professional 7.8%
Metric%
HS diploma or higher95.5%
Bachelor's or higher37.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2,5364.4%
Kindergarten2,0985.8%
Elementary school18,41343.5%
High school8,17622.9%
College / grad school18,25723.4%

Employment

Industry of employment

Education & healthcare 22.6%
Agriculture & mining 13.1%
Construction 10.6%
Retail trade 9.9%
Professional & management 7.9%
Manufacturing 6.9%
Transportation & utilities 6.5%
Finance & real estate 6.5%
Wholesale trade 4.6%
Arts, food & hospitality 4.4%
Other services 4.1%
Public administration 2.2%
Information 0.9%

Occupation

Category%
Management, business & arts43.1%
Service11.6%
Sales & office18.5%
Natural resources & construction14.7%
Production & transportation12.0%

Employment type

Type%
Private sector77.0%
Government11.5%
Self-employed10.4%
Unpaid family workers1.1%

Commute

Method%
Drive alone77.3%
Carpool7.9%
Public transit0.3%
Walk3.9%
Other means1.7%
Avg commute (minutes)24.0

Poverty

All people 6.4%
Under 18 years 4.9%
18 and over 6.8%
Married-couple families 2.8%
Female-led households 8.3%

Income support

Source% of households
Social Security26.4%
Retirement income22.1%
Supplemental Security1.8%
Cash public assistance0.8%
Food stamps / SNAP2.9%

Health indicators

Condition%
High blood pressure29.7%
High cholesterol30.6%
Heart disease5.6%
Stroke2.4%
Asthma8.8%
Arthritis22.4%
Kidney disease2.5%
Pulmonary disease5.1%
Cancer7.0%
Behavior / access%
Binge drinking21.1%
No physical activity21.2%
Less than 7 hrs sleep29.5%
Fair or poor health10.2%
Poor mental health11.2%
Poor physical health7.5%
No health insurance8.2%
Visited doctor (checkup)70.4%
Visited dentist72.2%
Cholesterol screening90.2%
Teeth loss9.8%

Veterans & disability

VeteransCount%
Civilian veterans8,6527.5%
Disability%
Any disability9.5%
Under 183.5%
18–64 years7.5%
65 and over27.5%

Health insurance coverage

Type%
Private insurance85.7%
Public insurance23.0%
Uninsured under 193.9%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only171,85093.8%
Spanish5,6351.6%
Other Indo-European5740.4%
Asian & Pacific Islander1,7880.4%
Other languages1,3380.5%

Place of birth & citizenship

OriginCount%
Native born (US)168,84697.2%
Born in same state167,01096.8%
Born in different state100,88969.4%
Foreign born1,8360.4%
Naturalized citizen15,1102.8%
Not a US citizen6,25636.8%

Ancestry

AncestryCount%
Polish49,30426.8%
Italian15,0718.2%
French9,2135%
Arab4,4002.4%
Dutch2,0401.1%
AncestryCount%
English1,6770.9%
German1,2120.7%
Irish1620.1%
Norwegian170%

Technology access

Metric% of households
Computer access39.8%
Internet access96.0%

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

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