Slope County, ND ZIP Codes

North Dakota (ND)  ·  2 ZIP codes  ·  2 cities
2
ZIP codes
690
population (2021)
-5.1%
pop change since 2010
38087
FIPS code
Slope County ZIP code map
About Slope County
Slope County is located in North Dakota and contains 2 ZIP codes across 2 cities and communities. The county's population was 690 as of 2021, a decrease of 5.1% from 727 in 2010. The timezone is Pacific Time (observes DST). The Federal Information Processing System (FIPS) code for Slope County is 38087.
Population
2021 population690
2010 population727
Change-5.1%
County details
StateNorth Dakota
FIPS code38087
TimezonePacific
Daylight savingYes
Cities in Slope County
ZIP codes for Slope County, ND (2)
ZIP code City County Map
58620 Amidon Slope View map
58643 Marmarth Slope View map

Demographics & statistics

305
Population
54.6
Median age
$58,783
Median household income
$32,485
Per capita income
$49,550
Median home value
$257
Median monthly rent
82.1%
Home ownership
11.1%
Poverty rate
7.9%
Unemployment
194
Housing units
27.8%
Bachelor's or higher

Age distribution

Male Female
2
Under 5
2
12
5–9
9
22
10–14
17
1
15–19
1
3
20–24
2
13
25–34
10
24
35–44
18
9
45–54
7
7
55–59
6
22
60–64
16
29
65–74
22
20
75–84
15
9
85+
7
← Male
Female →

Age summary

GroupCount%
Under 186420.8%
18 and over24179.2%
65 and over10232.1%
Median age54.6 years

Race & ethnicity

White 87.1%
Two or more races 8.7%
American Indian / Alaska Native 2.9%
Hispanic or Latino 1.3%
GroupCount%
White26987.1%
Two or more races278.7%
American Indian / Alaska Native92.9%
Hispanic or Latino41.3%

Household income

Under $10k 2.9%
$10k–$15k 8.9%
$15k–$25k 8.5%
$25k–$35k 10.3%
$35k–$50k 7.6%
$50k–$75k 30.7%
$75k–$100k 12.5%
$100k–$150k 10.6%
$150k–$200k 3.4%
$200k+ 4.9%
Range% of households
Under $10k2.9%
$10k–$15k8.9%
$15k–$25k8.5%
$25k–$35k10.3%
$35k–$50k7.6%
$50k–$75k30.7%
$75k–$100k12.5%
$100k–$150k10.6%
$150k–$200k3.4%
$200k+4.9%
Median income$58,783

Housing

Home values

Under $50k 35.4%
$50k–$100k 24.7%
$100k–$150k 11.0%
$150k–$200k 6.8%
$200k–$300k 16.3%
$300k–$500k 5.0%
$500k–$1M 0.9%

Housing overview

MetricValue
Median home value$49,550
Median rent / month$257
Owner occupied82.1%
Renter occupied18.0%
Vacant34.6%
Single-family detached82.3%
Large apartment buildings0.0%
Mobile homes14.6%
Median rooms6.0
Avg household size (owned)2.01

Year built

Era%
2020 or later0.0%
2010–20192.3%
2000–200915.0%
1990–19992.3%
1980–19897.3%
1970–19799.1%
1960–19695.0%
1950–19597.2%
1940–194916.8%
1939 or earlier35.1%

Bedrooms

Size% of units
No bedroom (studio)2.3%
1 bedroom12.3%
2 bedrooms21.5%
3 bedrooms35.0%
4 bedrooms20.4%
5+ bedrooms8.6%

Vehicles per household

Vehicles% of households
No vehicle0.7%
1 vehicle21.5%
2 vehicles26.4%
3 or more51.5%

Heating fuel

Fuel type%
Utility gas35.0%
Electricity17.8%
Propane / LP gas38.4%
Wood6.2%

Households & families

Household typeCount%
Married-couple family8961.5%
Cohabiting couple10.7%
Male householder, no spouse3524.5%
Female householder, no spouse1913.4%
Households with children under 183927.3%
Households with seniors (65+)7451.1%
Average household size2.11

Marital status

StatusMaleFemale
Never married13.6%16.0%
Married70.8%65.5%
Separated5.1%0.0%
Widowed1.5%8.6%
Divorced9.1%10.0%

Education

Less than 9th grade 6.4%
Some HS, no diploma 9.3%
HS graduate 28.7%
Some college, no degree 17.5%
Associate's degree 10.5%
Bachelor's degree 24.6%
Graduate / professional 3.2%
Metric%
HS diploma or higher84.4%
Bachelor's or higher27.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school5088.5%
High school911.6%
College / grad school00.0%

Employment

Industry of employment

Agriculture & mining 29.9%
Education & healthcare 17.1%
Transportation & utilities 11.6%
Construction 9.3%
Other services 8.1%
Professional & management 7.2%
Public administration 7.0%
Retail trade 5.4%
Wholesale trade 2.7%
Finance & real estate 2.1%

Occupation

Category%
Management, business & arts43.1%
Service10.3%
Sales & office12.1%
Natural resources & construction18.9%
Production & transportation15.7%

Employment type

Type%
Private sector51.5%
Government25.2%
Self-employed22.0%
Unpaid family workers1.4%

Commute

Method%
Drive alone56.7%
Carpool9.9%
Public transit0.0%
Walk1.8%
Other means0.0%
Avg commute (minutes)17.6

Poverty

All people 11.1%
Under 18 years 2.5%
18 and over 13.3%
Married-couple families 10.2%
Female-led households 50.0%

Income support

Source% of households
Social Security59.0%
Retirement income19.1%
Supplemental Security14.2%
Cash public assistance4.9%
Food stamps / SNAP11.2%

Health indicators

Condition%
High blood pressure37.1%
High cholesterol35.9%
Heart disease8.2%
Stroke3.5%
Asthma8.9%
Arthritis28.8%
Kidney disease3.4%
Pulmonary disease7.4%
Cancer8.6%
Behavior / access%
Binge drinking18.3%
No physical activity26.1%
Less than 7 hrs sleep28.1%
Fair or poor health13.7%
Poor mental health11.3%
Poor physical health10.0%
No health insurance9.6%
Visited doctor (checkup)72.0%
Visited dentist64.6%
Cholesterol screening91.0%
Teeth loss13.0%

Veterans & disability

VeteransCount%
Civilian veterans146.2%
Disability%
Any disability23.0%
Under 186.3%
18–64 years16.0%
65 and over41.9%

Health insurance coverage

Type%
Private insurance56.6%
Public insurance61.6%
Uninsured under 195.8%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only30198.4%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)30198.9%
Born in same state29396.7%
Born in different state15549.1%
Foreign born82.2%
Naturalized citizen41.1%
Not a US citizen450.0%

Ancestry

AncestryCount%
Arab258.2%
Polish237.5%
French185.9%
AncestryCount%
Dutch144.6%
Italian82.6%

Technology access

Metric% of households
Computer access48.9%
Internet access79.9%

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

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