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South Dakota ZIP Codes
Jackson County
Wanblee, SD
57577
57577 ZIP Code — Wanblee, SD
Jackson County, South Dakota
ZIP code 57577 is located in
Wanblee ,
South Dakota ,
within Jackson County .
It covers approximately 218.67 square miles and serves a population of
1,175 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 605 .
About ZIP code 57577
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Renters make up the majority at 66%, typical of denser urban areas.
Median household income is $24,006. Poverty affects 39% of residents, above the national average. SNAP benefit usage at 40% 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 18 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of diabetes (16%), smoking (38%) compared to national benchmarks. 28% of residents lack health insurance, above the national average.
Overall, ZIP code 57577 reflects a community defined by economic challenges above the national average and elevated reliance on food assistance.
57577 ZIP code map
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Cities in ZIP code 57577
Below are the cities the US Postal Service accepts for ZIP code 57577. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
1,175
Population density
5 / sq mi
State FIPS
46
County FIPS
071
Geography
Land area
218.67 sq mi
Water area
0.22 sq mi
Latitude
43.5712
Longitude
-101.8160
Timezone
Mountain (MT)
Area code
605
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
85.6%
74.4%
41.7%
$50k – $100k
7.2%
21.6%
33.8%
$100k – $200k
7.2%
4.0%
20.1%
Over $200k
0.0%
0.0%
4.4%
Demographics & statistics
$24,006
Median household income
21.8%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 505 43.0% 18 and over 670 57.0% 65 and over 53 4.5% Median age 23.8 years
Race & ethnicity
American Indian / Alaska Native
93.6%
Black or African American
0.7%
Group Count % American Indian / Alaska Native 1,100 93.6% White 56 4.8% Black or African American 8 0.7% Asian 8 0.7% Two or more races 3 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
85.6%
74.4%
41.7%
$50k – $100k
7.2%
21.6%
33.8%
$100k – $200k
7.2%
4.0%
20.1%
Over $200k
0.0%
0.0%
4.4%
Range % of households Under $10k 18.9% $10k–$15k 10.9% $15k–$25k 27.9% $25k–$35k 3.0% $35k–$50k 13.9% $50k–$75k 9.5% $100k–$150k 15.9% Median income $24,006
Housing
Housing overview
Metric Value Median home value $0 Median rent / month $434 Owner occupied 34.3% Renter occupied 65.7% Vacant 19.9% Single-family detached 84.9% Large apartment buildings 0.0% Mobile homes 10.0% Median rooms 5.6 Avg household size (owned) 2.80
Year built
Era % 2020 or later 0.0% 2010–2019 5.2% 2000–2009 7.6% 1990–1999 29.1% 1980–1989 16.7% 1970–1979 24.7% 1960–1969 8.0% 1950–1959 2.0% 1940–1949 0.0% 1939 or earlier 6.8%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 6.8% 2 bedrooms 27.5% 3 bedrooms 45.4% 4 bedrooms 15.1% 5+ bedrooms 5.2%
Vehicles per household
Vehicles % of households No vehicle 17.4% 1 vehicle 43.8% 2 vehicles 19.4% 3 or more 19.4%
Heating fuel
Fuel type % Electricity 19.4% Propane / LP gas 72.1% Fuel oil 6.5% Wood 2.0%
Households & families
Household type Count % Married-couple family 54 26.9% Cohabiting couple 12 6.0% Male householder, no spouse 18 9.0% Female householder, no spouse 117 58.2% Households with children under 18 131 65.2% Households with seniors (65+) 48 23.9% Average household size 5.76
Marital status
Status Male Female Never married 70.1% 58.1% Married 24.0% 27.5% Separated 0.0% 0.0% Widowed 1.2% 11.6% Divorced 4.8% 2.9%
Education
Some HS, no diploma
10.4%
Some college, no degree
17.9%
Graduate / professional
8.2%
Metric % HS diploma or higher 82.3% Bachelor's or higher 21.8%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 11 2.2% Kindergarten 29 5.7% Elementary school 184 36.0% High school 171 33.5% College / grad school 116 22.7%
Employment
Industry of employment
Education & healthcare
74.6%
Public administration
12.1%
Arts, food & hospitality
1.8%
Occupation
Category % Management, business & arts 66.4% Service 12.9% Sales & office 12.9% Natural resources & construction 0.0% Production & transportation 7.9%
Employment type
Type % Private sector 13.9% Government 83.9% Self-employed 2.1% Unpaid family workers 0.0%
Commute
Method % Drive alone 65.4% Carpool 20.0% Public transit 0.0% Walk 0.0% Work from home 14.6% Other means 0.0% Avg commute (minutes) 18.4
Poverty
Married-couple families
44.4%
Female-led households
40.8%
Income support
Source % of households Social Security 20.4% Retirement income 39.3% Supplemental Security 7.0% Cash public assistance 15.9% Food stamps / SNAP 39.8%
Health indicators
Condition % Obesity 41.4% High blood pressure 35.0% High cholesterol 26.2% Diabetes 15.6% Heart disease 8.2% Stroke 5.4% Asthma 14.2% Arthritis 23.0% Kidney disease 4.2% Pulmonary disease 10.1% Cancer 4.5%
Behavior / access % Smoking 37.9% Binge drinking 20.3% No physical activity 34.0% Less than 7 hrs sleep 36.3% Depression 19.3% Fair or poor health 26.5% Poor mental health 18.8% Poor physical health 16.5% No health insurance 18.7% Visited doctor (checkup) 74.4% Visited dentist 44.1% Cholesterol screening 79.0% Teeth loss 36.3%
Veterans & disability
Veterans Count % Civilian veterans 14 2.1%
Disability % Any disability 6.8% Under 18 0.0% 18–64 years 8.6% 65 and over 50.9%
Health insurance coverage
Type % Private insurance 16.3% Public insurance 57.2% No insurance 28.3% Uninsured under 19 13.5%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 1,093 93.0% Spanish 65 5.9% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 5 0.5%
Place of birth & citizenship
Origin Count % Native born (US) 1,159 98.6% Born in same state 1,159 98.6% Born in different state 991 84.3% Foreign born 0 0.0% Naturalized citizen 16 1.4% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Polish 13 1.1%
Ancestry Count % Italian 12 1%
Technology access
Metric % of households Computer access 17.1% Internet access 55.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57577
What city is ZIP code 57577 in?
ZIP code 57577 is primarily assigned to Wanblee, South Dakota.
What county is ZIP code 57577 in?
ZIP code 57577 falls within Jackson County, South Dakota.
Is ZIP code 57577 family-oriented?
43% of residents in ZIP code 57577 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 57577?
39% of residents in ZIP code 57577 live below the poverty line, above the national average.
Is ZIP code 57577 mostly rentals?
66% of occupied units in ZIP code 57577 are renter-occupied.
What is the median household income in ZIP code 57577?
The median household income in ZIP code 57577 is $24,006, below the national median of ~$75,000.
What timezone is ZIP code 57577 in?
ZIP code 57577 observes the MST timezone.
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