Postal Codes

57658 ZIP Code

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ZIP code 57658 covers Wakpala, South Dakota, with a population of about 338 and a median household income of $25,938.

Population
3385 per square mile
Median age
26.512.2 points below the US average
Median household income
$25,93864% below the South Dakota median
Poverty rate
62.7%50.3 points above the US average
Median home value
$81,30066% below the South Dakota median
Median rent
$42553% below the South Dakota median
Degree or higher
16.3%18.7 points below the US average
Homeownership
57.3%7.7 points below the US average
Time zone
Mountain UTC-07:00observes daylight saving time

Where 57658 is

Wakpala, South Dakota — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population338
Median age26.5
Family households74.7%
Born outside the US0%
Speaks a language other than English at home13.1%
White (non-Hispanic)0.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.5%
Veterans9.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$25,938
Income per person$8,859
Poverty rate62.7%
Households on SNAP or cash assistance68%

Household income distribution

Under $10k9.3%
$10–15k17.3%
$15–20k10.7%
$20–25k10.7%
$25–30k16.0%
$30–35k9.3%
$35–40k2.7%
$40–45k6.7%
$45–50k0.0%
$50–60k1.3%
$60–75k4.0%
$75–100k2.7%
$100–125k2.7%
$125–150k2.7%
$150–200k4.0%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$81,300
Median gross rent$425
Owner-occupied57.3%
Vacant homes10.7%
Median year built1990

What the homes are

Detached house70.2%
Attached house2.4%
2 to 4 units8.3%
Mobile home19%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate53%
Bachelor's degree or higher16.3%
High school diploma or higher78.7%
Works from home7.4%
Drives to work alone74.1%
Takes public transport0%
Commutes 45 minutes or more24%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity45.6% 12.2 pts above the national average of 33.4%
Diagnosed diabetes20.5% 8.5 pts above the national average of 12%
Currently smokes32.8% 19.6 pts above the national average of 13.2%
High blood pressure37.7% 3.6 pts above the national average of 34.1%
Fair or poor general health34.6% 14.3 pts above the national average of 20.3%
No health insurance (18–64)14.6% 3.3 pts above the national average of 11.3%
Depression24.2% 2.3 pts above the national average of 21.9%
No leisure-time physical activity37.6% 12.2 pts above the national average of 25.4%
Arthritis26.9% 1.8 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication72.4% 2.3 pts below the national average of 74.7%
Cancer (non-skin)5.6% 2.1 pts below the national average of 7.7%
Current asthma14.6% 4.2 pts above the national average of 10.4%
Coronary heart disease9.3% 3.1 pts above the national average of 6.2%
Routine check-up in past year73.5% 3.2 pts below the national average of 76.7%
Cholesterol screening75.3% 10.6 pts below the national average of 85.9%
Cognitive disability24.5% 9.7 pts above the national average of 14.8%
Colorectal screening48.2% 16.1 pts below the national average of 64.3%
COPD11.3% 4.7 pts above the national average of 6.6%
Visited a dentist43.1% 18.2 pts below the national average of 61.3%
Any disability47.1% 16.4 pts above the national average of 30.7%
Hearing disability12.2% 5.5 pts above the national average of 6.7%
High cholesterol32.1% 4.1 pts below the national average of 36.2%
Independent living disability16.7% 8.3 pts above the national average of 8.4%
Mammography use67.9% 8 pts below the national average of 75.9%
Poor mental health (14+ days)23.4% 6.6 pts above the national average of 16.8%
Mobility disability22.8% 8.8 pts above the national average of 14%
Poor physical health (14+ days)20.6% 7.1 pts above the national average of 13.5%
Self-care disability7.8% 3.8 pts above the national average of 4%
Sleeps under 7 hours38.5% 2.1 pts above the national average of 36.4%
Stroke5.7% 2.3 pts above the national average of 3.4%
All natural teeth lost31.9% 18.9 pts above the national average of 13%
Vision disability13.2% 7.6 pts above the national average of 5.6%
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 97.7% of US census tracts
FEMA ratingVery High
Expected annual loss92.6 out of 100
Community resilience0.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave99.9Very High at its worst in this ZIP code
Winter weather99.6Very High at its worst in this ZIP code
Strong wind96.7Very High at its worst in this ZIP code
Hail95.9Relatively High at its worst in this ZIP code
Wildfire94.9Relatively Moderate at its worst in this ZIP code
Ice storm87.4Relatively Moderate at its worst in this ZIP code
Drought86.2Relatively Low at its worst in this ZIP code
River flooding84.6Relatively High at its worst in this ZIP code
Lightning79.4Relatively High at its worst in this ZIP code
Landslide76.8Very Low at its worst in this ZIP code
Tornado73.8Relatively Moderate at its worst in this ZIP code
Heat wave39.9Relatively Low at its worst in this ZIP code
Earthquake15.4Very Low at its worst in this ZIP code
Compared with South Dakota and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPSouth DakotaUnited States
Median household income$25,938$72,421$78,538
Income per person$8,859$38,880$43,289
Poverty rate62.7%12%12.4%
Median home value$81,300$236,800$303,400
Median gross rent$425$912$1,348
Homeownership57.3%68.6%65%
Bachelor's degree or higher16.3%31.1%35%
Unemployment rate53%3%5.2%
Works from home7.4%9.3%13.5%
Born outside the US0%3.9%13.9%
Median age26.537.738.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMOBRIDGE 2NNW, SD US16.4 km away
Rain in a year17 in
Snow in a year36 in

Average high and low by month

January25.1°F / 5.5°F0.27 in rain, 7 in snow
February29.4°F / 8.8°F0.4 in rain, 8 in snow
March42.1°F / 20.3°F0.58 in rain, 5.6 in snow
April56°F / 32.1°F1.28 in rain, 3.7 in snow
May67.8°F / 45.1°F3.06 in rain, 0.1 in snow
June77.7°F / 55.5°F3.1 in rain
July84.9°F / 61.3°F2.41 in rain
August83.8°F / 59.4°F2.23 in rain
September74.3°F / 50°F1.56 in rain
October57.9°F / 36.6°F1.64 in rain, 1.2 in snow
November41.8°F / 22.6°F0.39 in rain, 3.9 in snow
December29°F / 11.2°F0.34 in rain, 6.8 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Smee School District 15-383.6% of this ZIP code's land area
McLaughlin School District 15-216.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability81more vulnerable than 81% of US census tracts
Socioeconomic status90more vulnerable than 90% of US census tracts
Household characteristics52more vulnerable than 52% of US census tracts
Racial and ethnic minority status86more vulnerable than 86% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

57601 Mobridge, SD19.5 km away
57639 Little Eagle, SD21.2 km away
57631 Glenham, SD27.6 km away
57648 Pollock, SD28.3 km away
57657 Trail City, SD29.4 km away
57642 Mc Laughlin, SD34 km away
57646 Mound City, SD37.8 km away
57632 Herreid, SD40.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Corson County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area63.59 sq mi
Water area9.78 sq mi
Population density5 people per sq mi
Latitude, longitude45.7006, -100.5332

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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