57658 ZIP Code — Wakpala, SD

Corson County, South Dakota

ZIP code 57658 is located in Wakpala, South Dakota, within Corson County. It covers approximately 63.59 square miles and serves a population of 410 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 605.

About ZIP code 57658

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $50,000. Renters make up the majority at 60%, typical of denser urban areas.

Median household income is $23,125. Poverty affects 65% of residents, above the national average. SNAP benefit usage at 46% of households reflects economic stress in the area. 30% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (45%), diabetes (16%), smoking (37%) compared to national benchmarks. 40% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 11% of civilians, above the national average of 7%.

Overall, ZIP code 57658 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a strong veteran community, a significant Social Security-dependent population, and elevated reliance on food assistance.

410

population

63.59

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

57658 ZIP code map

Cities in ZIP code 57658

Below are the cities the US Postal Service accepts for ZIP code 57658. Using any city not on this list may result in mail delivery delays.

City	Status
Wakpala	Acceptable
Wakpala	Preferred

Nearby ZIP codes

57648 Pollock (13.7 mi) 57631 Glenham (15.1 mi) 57646 Mound City (19.6 mi)

Demographics updated 05/2026

Population
Total population	410
Population density	6 / sq mi
State FIPS	46
County FIPS	031

Geography
Land area	63.59 sq mi
Water area	9.78 sq mi
Latitude	45.7082
Longitude	-100.5195
Timezone	Mountain (MT)
Area code	605

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	79.7%	61.0%	41.7%
$50k – $100k	12.7%	23.8%	33.8%
$100k – $200k	7.6%	12.9%	20.1%
Over $200k	0.0%	2.3%	4.4%

Demographics & statistics

410

Population

People per sq mi

26.1

Median age

$23,125

Median household income

$7,020

Per capita income

$50,000

Median home value

$450

Median monthly rent

40.5%

Home ownership

65.3%

Poverty rate

55.0%

Unemployment

Housing units

14.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	161	39.3%
18 and over	249	60.7%
65 and over	26	6.3%
Median age	26.1 years

Race & ethnicity

American Indian / Alaska Native 97.6%

Hispanic or Latino 1%

Other race 1%

White 0.5%

Group	Count	%
American Indian / Alaska Native	404	97.6%
Hispanic or Latino	4	1%
Other race	4	1%
White	2	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	79.7%	61.0%	41.7%
$50k – $100k	12.7%	23.8%	33.8%
$100k – $200k	7.6%	12.9%	20.1%
Over $200k	0.0%	2.3%	4.4%

Under $10k 17.7%

$10k–$15k 22.8%

$15k–$25k 11.4%

$25k–$35k 21.5%

$35k–$50k 10.1%

$50k–$75k 10.1%

$100k–$150k 6.3%

Range	% of households
Under $10k	17.7%
$10k–$15k	22.8%
$15k–$25k	11.4%
$25k–$35k	21.5%
$35k–$50k	10.1%
$50k–$75k	10.1%
$100k–$150k	6.3%
Median income	$23,125

Housing

Home values

Under $50k 50.0%

$50k–$100k 25.0%

$100k–$150k 18.8%

$500k–$1M 6.3%

Housing overview

Metric	Value
Median home value	$50,000
Median rent / month	$450
Owner occupied	40.5%
Renter occupied	59.5%
Vacant	11.2%
Single-family detached	75.3%
Large apartment buildings	0.0%
Mobile homes	15.7%
Median rooms	5.3
Avg household size (owned)	7.25

Year built

Era	%
2020 or later	0.0%
2010–2019	6.7%
2000–2009	11.2%
1990–1999	20.2%
1980–1989	18.0%
1970–1979	14.6%
1960–1969	13.5%
1950–1959	10.1%
1940–1949	4.5%
1939 or earlier	1.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.4%
2 bedrooms	13.5%
3 bedrooms	52.8%
4 bedrooms	25.8%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	22.8%
1 vehicle	39.2%
2 vehicles	31.6%
3 or more	6.3%

Heating fuel

Fuel type	%
Electricity	3.8%
Propane / LP gas	92.4%
Fuel oil	1.3%
Wood	2.5%

Households & families

Household type	Count	%
Married-couple family	13	16.5%
Cohabiting couple	3	3.8%
Male householder, no spouse	22	27.8%
Female householder, no spouse	41	51.9%
Households with children under 18	45	57.0%
Households with seniors (65+)	24	30.4%
Average household size	5.19

Marital status

Status	Male	Female
Never married	66.2%	61.2%
Married	12.0%	10.9%
Separated	3.5%	3.4%
Widowed	0.7%	7.5%
Divorced	17.6%	17.0%

Education

Less than 9th grade 2.3%

Some HS, no diploma 21.3%

HS graduate 33.3%

Some college, no degree 17.6%

Associate's degree 10.6%

Bachelor's degree 13.4%

Graduate / professional 1.4%

Metric	%
HS diploma or higher	76.4%
Bachelor's or higher	14.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	8	5.6%
Elementary school	77	53.8%
High school	57	39.9%
College / grad school	1	0.7%

Employment

Industry of employment

Education & healthcare 22.0%

Public administration 22.0%

Arts, food & hospitality 18.6%

Retail trade 8.5%

Information 8.5%

Other services 6.8%

Agriculture & mining 5.1%

Construction 3.4%

Wholesale trade 3.4%

Finance & real estate 1.7%

Occupation

Category	%
Management, business & arts	28.8%
Service	39.0%
Sales & office	11.9%
Natural resources & construction	10.2%
Production & transportation	10.2%

Employment type

Type	%
Private sector	30.5%
Government	67.8%
Self-employed	1.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.3%
Carpool	1.7%
Public transit	0.0%
Walk	3.4%
Work from home	8.6%
Other means	6.9%
Avg commute (minutes)	26.3

Poverty

All people 65.3%

Under 18 years 75.2%

18 and over 59.0%

Married-couple families 53.8%

Female-led households 70.0%

Income support

Source	% of households
Social Security	30.4%
Retirement income	29.1%
Supplemental Security	8.9%
Cash public assistance	39.2%
Food stamps / SNAP	45.6%

Health indicators

Condition	%
Obesity	45.0%
High blood pressure	33.9%
High cholesterol	26.5%
Diabetes	16.3%
Heart disease	8.6%
Stroke	5.5%
Asthma	13.4%
Arthritis	23.1%
Kidney disease	4.2%
Pulmonary disease	9.8%
Cancer	4.6%

Behavior / access	%
Smoking	36.8%
Binge drinking	20.3%
No physical activity	35.5%
Less than 7 hrs sleep	34.5%
Depression	18.4%
Fair or poor health	26.1%
Poor mental health	17.0%
Poor physical health	16.0%
No health insurance	17.4%
Visited doctor (checkup)	74.7%
Visited dentist	45.5%
Cholesterol screening	80.9%
Teeth loss	34.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	28	11.2%

Disability	%
Any disability	13.2%
Under 18	1.2%
18–64 years	18.4%
65 and over	42.3%

Health insurance coverage

Type	%
Private insurance	10.0%
Public insurance	53.7%
No insurance	39.8%
Uninsured under 19	24.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	381	92.9%
Spanish	0	0.0%
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)	410	100.0%
Born in same state	410	100.0%
Born in different state	192	46.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	1	0.2%

Technology access

Metric	% of households
Computer access	19.3%
Internet access	59.5%

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

Frequently asked questions about ZIP code 57658

What city is ZIP code 57658 in?

ZIP code 57658 is primarily assigned to Wakpala, South Dakota.

What county is ZIP code 57658 in?

ZIP code 57658 falls within Corson County, South Dakota.

What is the poverty rate in ZIP code 57658?

65% of residents in ZIP code 57658 live below the poverty line, above the national average.

Is ZIP code 57658 family-oriented?

39% of residents in ZIP code 57658 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 57658 mostly rentals?

60% of occupied units in ZIP code 57658 are renter-occupied.

How educated is the population of ZIP code 57658?

15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What timezone is ZIP code 57658 in?

ZIP code 57658 observes the MST timezone.