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South Dakota ZIP Codes
Dewey County
Eagle Butte, SD
57625
57625 ZIP Code — Eagle Butte, SD
Dewey County, South Dakota
ZIP code 57625 is located in
Eagle Butte ,
South Dakota ,
within Dewey County .
It covers approximately 1,307.24 square miles and serves a population of
3,906 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 605 .
About ZIP code 57625
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $66,400. Owner-occupancy sits near the national average at 54%.
Median household income is $48,056. Poverty affects 37% of residents, above the national average. SNAP benefit usage at 32% of households reflects economic stress in the area.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 12 minutes is near the national average.
College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of obesity (46%), smoking (34%) compared to national benchmarks. 29% of residents lack health insurance, above the national average.
Overall, ZIP code 57625 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.
57625 ZIP code map
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Cities in ZIP code 57625
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,906
Population density
3,906 / sq mi
State FIPS
46
County FIPS
041
Geography
Land area
1,307.24 sq mi
Water area
90.36 sq mi
Latitude
45.0984
Longitude
-100.7680
Timezone
Mountain (MT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
62.3%
56.2%
41.7%
$50k – $100k
24.7%
26.8%
33.8%
$100k – $200k
10.5%
14.6%
20.1%
Over $200k
2.4%
2.4%
4.4%
Demographics & statistics
$48,056
Median household income
15.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,493 38.2%
18 and over 2,413 61.8%
65 and over 301 7.7%
Median age 26.8 years
Race & ethnicity
American Indian / Alaska Native
80.5%
Native Hawaiian / Pacific Islander
0.7%
Black or African American
0.3%
Group Count %
American Indian / Alaska Native 3,260 80.5%
White 344 8.5%
Two or more races 259 6.4%
Hispanic or Latino 145 3.6%
Native Hawaiian / Pacific Islander 30 0.7%
Black or African American 13 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
62.3%
56.2%
41.7%
$50k – $100k
24.7%
26.8%
33.8%
$100k – $200k
10.5%
14.6%
20.1%
Over $200k
2.4%
2.4%
4.4%
Range % of households
Under $10k 9.9%
$10k–$15k 6.3%
$15k–$25k 9.6%
$25k–$35k 11.6%
$35k–$50k 13.1%
$50k–$75k 21.3%
$75k–$100k 10.4%
$100k–$150k 9.4%
$150k–$200k 4.1%
$200k+ 4.1%
Median income $48,056
Housing
Housing overview
Metric Value
Median home value $66,400
Median rent / month $689
Owner occupied 54.1%
Renter occupied 45.9%
Vacant 16.1%
Single-family detached 59.2%
Large apartment buildings 4.9%
Mobile homes 23.9%
Median rooms 5.1
Avg household size (owned) 3.05
Year built
Era %
2020 or later 0.0%
2010–2019 1.6%
2000–2009 10.4%
1990–1999 22.5%
1980–1989 13.8%
1970–1979 22.2%
1960–1969 12.4%
1950–1959 6.1%
1940–1949 5.6%
1939 or earlier 5.3%
Bedrooms
Size % of units
No bedroom (studio) 2.1%
1 bedroom 6.3%
2 bedrooms 24.8%
3 bedrooms 44.1%
4 bedrooms 17.2%
5+ bedrooms 5.5%
Vehicles per household
Vehicles % of households
No vehicle 7.7%
1 vehicle 43.1%
2 vehicles 25.4%
3 or more 23.8%
Heating fuel
Fuel type %
Utility gas 0.5%
Electricity 21.6%
Propane / LP gas 69.8%
Fuel oil 7.6%
Wood 0.4%
Households & families
Household type Count %
Married-couple family 313 27.9%
Cohabiting couple 180 16.1%
Male householder, no spouse 227 20.3%
Female householder, no spouse 400 35.7%
Households with children under 18 587 52.4%
Households with seniors (65+) 256 22.9%
Average household size 3.46
Marital status
Status Male Female
Never married 55.2% 47.2%
Married 26.9% 24.4%
Separated 1.6% 0.8%
Widowed 3.1% 6.8%
Divorced 13.1% 20.8%
Education
Some HS, no diploma
11.9%
Some college, no degree
23.2%
Graduate / professional
3.6%
Metric %
HS diploma or higher 86.8%
Bachelor's or higher 15.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 158 12.5%
Kindergarten 27 2.1%
Elementary school 713 56.3%
High school 304 24.0%
College / grad school 65 5.1%
Employment
Industry of employment
Education & healthcare
28.1%
Public administration
20.1%
Agriculture & mining
10.5%
Arts, food & hospitality
7.8%
Professional & management
4.1%
Finance & real estate
4.0%
Transportation & utilities
2.7%
Occupation
Category %
Management, business & arts 45.9%
Service 17.2%
Sales & office 15.7%
Natural resources & construction 13.4%
Production & transportation 7.8%
Employment type
Type %
Private sector 22.0%
Government 64.6%
Self-employed 12.3%
Unpaid family workers 1.1%
Commute
Method %
Drive alone 75.0%
Carpool 9.4%
Public transit 0.1%
Walk 1.5%
Work from home 12.3%
Other means 1.7%
Avg commute (minutes) 12.0
Poverty
Married-couple families
10.9%
Female-led households
49.7%
Income support
Source % of households
Social Security 21.4%
Retirement income 17.2%
Supplemental Security 6.3%
Cash public assistance 22.1%
Food stamps / SNAP 32.1%
Health indicators
Condition %
Obesity 46.4%
High blood pressure 33.3%
High cholesterol 26.1%
Diabetes 14.9%
Heart disease 7.8%
Stroke 4.9%
Asthma 12.9%
Arthritis 23.6%
Kidney disease 3.9%
Pulmonary disease 9.0%
Cancer 4.8%
Behavior / access %
Smoking 34.1%
Binge drinking 19.5%
No physical activity 33.9%
Less than 7 hrs sleep 36.1%
Depression 18.7%
Fair or poor health 23.0%
Poor mental health 17.0%
Poor physical health 15.1%
No health insurance 16.9%
Visited doctor (checkup) 75.3%
Visited dentist 52.6%
Cholesterol screening 82.1%
Teeth loss 30.6%
Veterans & disability
Veterans Count %
Civilian veterans 136 5.7%
Disability %
Any disability 8.9%
Under 18 3.4%
18–64 years 8.0%
65 and over 41.5%
Health insurance coverage
Type %
Private insurance 24.9%
Public insurance 50.8%
No insurance 28.5%
Uninsured under 19 11.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 3,491 89.4%
Spanish 7 0.2%
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) 3,895 99.7%
Born in same state 3,895 99.7%
Born in different state 3,559 91.1%
Foreign born 0 0.0%
Naturalized citizen 11 0.3%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Arab 140 3.6%
Italian 57 1.5%
French 20 0.5%
Ancestry Count %
Polish 14 0.4%
German 6 0.2%
English 4 0.1%
Technology access
Metric % of households
Computer access 28.7%
Internet access 76.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57625
What city is ZIP code 57625 in?
ZIP code 57625 is primarily assigned to Eagle Butte, South Dakota.
What county is ZIP code 57625 in?
ZIP code 57625 falls within Dewey County, South Dakota.
Is ZIP code 57625 family-oriented?
38% of residents in ZIP code 57625 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 57625?
37% of residents in ZIP code 57625 live below the poverty line, above the national average.
What is the typical home value in ZIP code 57625?
The median home value in ZIP code 57625 is $66,400.
What are the health statistics for ZIP code 57625?
Health data for ZIP code 57625 shows elevated rates of obesity (46%) and smoking (34%) compared to national benchmarks.
What timezone is ZIP code 57625 in?
ZIP code 57625 observes the MST timezone.
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