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ZIP Code 57639, South Dakota

ZIP Code 57639 profile, demographic data, and geographic information.

ZCTA5 57639 is a 5-digit ZIP Code area located in Corson County, South Dakota. As of official census estimates, it has a reported population of 290. The land area covers 1.98 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 290 ±84 2020-2024 / Census ACS 5-Year 2024
Median Age 18.7 yrs ±6.3 2020-2024 / Census ACS 5-Year 2024
Total Households 72 ±24 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 87 ±24
Occupied Housing Units 72 ±24
Vacant Housing Units 15 ±10
Median Home Value Suppressed —
Median Gross Rent $243 ±$115
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $21,250 ±$16,663
Per Capita Income $5,346 ±$2,283
Poverty Rate 74.5% ±18.3%
Population Below Poverty Level 216 ±82
Unemployment Rate 55.1% ±18.6%
Civilian Labor Force, Employed 35 ±23
Broadband Internet Rate 59.7% ±6.1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
COUNTY OF CORSON
GUS Population: 3,747 (2024)
ID: 174986
County Official County Government
Contact: COUNTY AUDITOR
PO BOX 255, MC INTOSH SD 57641-0255

Education

Listing 8 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-08 Little Eagle, SD
Regular School Nearby PK-05 McLaughlin, SD
Regular School Nearby 09-12 McLaughlin, SD
Regular School Nearby 06-08 McLaughlin, SD
Regular School Nearby KG-08 Bullhead, SD
Regular School Nearby KG-05 Wakpala, SD
Regular School Nearby 09-12 Wakpala, SD
Regular School Nearby 06-08 Wakpala, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 2 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
A. H. BROWN PUBLIC LIBRARY
Library 20.5 mi away 521 N MAIN STREET, MOBRIDGE, SD, 57601
(605) 845-2808
DEWEY COUNTY LIBRARY
Library 21.6 mi away 712 MAIN, TIMBER LAKE, SD, 57656
(605) 865-3541
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MC LAUGHLIN, SD US, located 9.3 miles from ZCTA5 57639. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 24.1° 3.6° 13.8° 0.50" 7.5"
February 28.4° 6.7° 17.6° 0.49" 6.5"
March 41.7° 18.6° 30.2° 0.94" 3.7"
April 56.2° 29.7° 42.9° 1.69" 2.1"
May 68.1° 41.9° 55.0° 3.17" 0.2"
June 78.4° 52.7° 65.6° 3.34" 0.0"
July 85.4° 58.0° 71.7° 3.03" 0.0"
August 83.9° 55.2° 69.6° 2.47" 0.0"
September 73.6° 45.3° 59.5° 1.45" 0.0"
October 57.4° 31.8° 44.6° 1.77" 0.7"
November 41.1° 18.8° 29.9° 0.65" 4.0"
December 28.5° 8.6° 18.6° 0.58" 10.2"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Little Eagle CDP CDP 0.7 mi —
McLaughlin city City 9.3 mi —
Wakpala CDP CDP 13.2 mi —
Bullhead CDP CDP 14.7 mi —
Mobridge city City 20.3 mi —
Kenel CDP CDP 20.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57639. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.