57659 ZIP Code — Walker, SD

Corson County, South Dakota

ZIP code 57659 is located in Walker, South Dakota, within Corson County. It covers approximately 13.51 square miles and serves a population of 12 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 605.

12
population
13.51
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
57659 ZIP code map
Cities in ZIP code 57659

Below are the cities the US Postal Service accepts for ZIP code 57659. Using any city not on this list may result in mail delivery delays.

City Status
Walker Acceptable
Demographics updated 05/2026
Population
Total population 12
Population density 1 / sq mi
State FIPS 46
County FIPS 031
Geography
Land area 13.51 sq mi
Water area 0.02 sq mi
Latitude 45.7658
Longitude -101.0804
Timezone Mountain (MT)
Area code 605
Total population by age
Gender
Race & ethnicity

Demographics & statistics

12
Population
1
People per sq mi
38.2
Median age
$0
Median household income
$42,908
Per capita income
$0
Median home value
$0
Median monthly rent
100.0%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
6
Housing units
57.1%
Bachelor's or higher

Age distribution

Male Female
4
5–9
1
4
35–44
1
2
65–74
1
← Male
Female →

Age summary

GroupCount%
Under 18541.7%
18 and over758.3%
65 and over216.7%
Median age38.2 years

Race & ethnicity

White 100%
GroupCount%
White12100%

Household income

$25k–$35k 25.0%
$150k–$200k 75.0%
Range% of households
$25k–$35k25.0%
$150k–$200k75.0%
Median income$0

Housing

Home values

$50k–$100k 25.0%
$300k–$500k 75.0%

Housing overview

MetricValue
Median home value$0
Median rent / month$0
Owner occupied100.0%
Renter occupied0.0%
Vacant33.3%
Single-family detached100.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms6.1
Avg household size (owned)3.00

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19990.0%
1980–19890.0%
1970–19790.0%
1960–196933.3%
1950–19590.0%
1940–194916.7%
1939 or earlier50.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms0.0%
3 bedrooms66.7%
4 bedrooms33.3%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle0.0%
2 vehicles25.0%
3 or more75.0%

Heating fuel

Fuel type%
Propane / LP gas100.0%

Households & families

Household typeCount%
Married-couple family4100.0%
Cohabiting couple00.0%
Male householder, no spouse00.0%
Female householder, no spouse00.0%
Households with children under 18375.0%
Households with seniors (65+)125.0%
Average household size3.00

Marital status

StatusMaleFemale
Never married0.0%0.0%
Married100.0%100.0%
Separated0.0%0.0%
Widowed0.0%0.0%
Divorced0.0%0.0%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 0.0%
Some college, no degree 0.0%
Associate's degree 42.9%
Bachelor's degree 28.6%
Graduate / professional 28.6%
Metric%
HS diploma or higher100.0%
Bachelor's or higher57.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool240.0%
Kindergarten00.0%
Elementary school360.0%
High school00.0%
College / grad school00.0%

Employment

Industry of employment

Construction 60.0%
Education & healthcare 40.0%

Occupation

Category%
Management, business & arts0.0%
Service0.0%
Sales & office0.0%
Natural resources & construction60.0%
Production & transportation40.0%

Employment type

Type%
Private sector0.0%
Government100.0%
Self-employed0.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone100.0%
Carpool0.0%
Public transit0.0%
Walk0.0%
Work from home0.0%
Other means0.0%
Avg commute (minutes)0.0

Poverty

All people 0.0%
Under 18 years 0.0%
18 and over 0.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security25.0%
Retirement income25.0%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity0.0%
High blood pressure0.0%
High cholesterol0.0%
Diabetes0.0%
Heart disease0.0%
Stroke0.0%
Asthma0.0%
Arthritis0.0%
Kidney disease0.0%
Pulmonary disease0.0%
Cancer0.0%
Behavior / access%
Smoking0.0%
Binge drinking0.0%
No physical activity0.0%
Less than 7 hrs sleep0.0%
Depression0.0%
Fair or poor health0.0%
Poor mental health0.0%
Poor physical health0.0%
No health insurance0.0%
Visited doctor (checkup)0.0%
Visited dentist0.0%
Cholesterol screening0.0%
Teeth loss0.0%

Veterans & disability

VeteransCount%
Civilian veterans00.0%
Disability%
Any disability0.0%
Under 180.0%
18–64 years0.0%
65 and over0.0%

Health insurance coverage

Type%
Private insurance100.0%
Public insurance16.7%
No insurance0.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only12100.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)12100.0%
Born in same state12100.0%
Born in different state00.0%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish866.7%

Technology access

Metric% of households
Computer access33.3%
Internet access100.0%

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

Frequently asked questions about ZIP code 57659

What city is ZIP code 57659 in?

ZIP code 57659 is primarily assigned to Walker, South Dakota.

What county is ZIP code 57659 in?

ZIP code 57659 falls within Corson County, South Dakota.

Is ZIP code 57659 family-oriented?

42% of residents in ZIP code 57659 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 57659?

57% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the population of ZIP code 57659?

ZIP code 57659 has an estimated population of 12 residents, with a density of 1 people per square mile.

What timezone is ZIP code 57659 in?

ZIP code 57659 observes the MST timezone.

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