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ZIP Code 57641, South Dakota

ZIP Code 57641 profile, demographic data, and geographic information.

ZCTA5 57641 is a 5-digit ZIP Code area located in Corson County / Grant County / Sioux County, South Dakota. As of official census estimates, it has a reported population of 215. The land area covers 479.26 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 215 ±50 2020-2024 / Census ACS 5-Year 2024
Median Age 53.8 yrs ±10.9 2020-2024 / Census ACS 5-Year 2024
Total Households 104 ±20 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 147 ±22
Occupied Housing Units 104 ±20
Vacant Housing Units 43 ±13
Median Home Value $77,500 ±$50,923
Median Gross Rent $608 ±$367
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $83,750 ±$37,594
Per Capita Income $54,121 ±$18,458
Poverty Rate 8.8% ±4.7%
Population Below Poverty Level 19 ±11
Unemployment Rate 0% ±12%
Civilian Labor Force, Employed 108 ±28
Broadband Internet Rate 77.9% ±12.1%
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 4 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-04 McIntosh, SD
Regular School Nearby 09-12 McIntosh, SD
Regular School Nearby 05-08 McIntosh, SD
Regular School Nearby KG-08 Bullhead, SD
Source: k12guides.com.

Community Facilities & Infrastructure

No matching records in loaded directories for this area.
Directory sourced from official CMS, NCES IPEDS, and IMLS PLS datasets.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MC INTOSH 6 SE, SD US, located 4.3 miles from ZCTA5 57641. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.0° 7.1° 16.5° 0.41" 7.2"
February 30.2° 11.0° 20.6° 0.52" 8.2"
March 43.2° 21.3° 32.3° 0.67" 7.4"
April 57.1° 32.2° 44.7° 1.37" 4.9"
May 68.8° 43.4° 56.1° 2.44" 0.6"
June 78.7° 53.1° 65.9° 3.48" 0.0"
July 86.0° 58.4° 72.2° 2.68" 0.0"
August 85.1° 57.0° 71.0° 1.93" 0.0"
September 75.3° 47.7° 61.5° 1.45" 0.0"
October 58.5° 34.7° 46.6° 1.46" 2.6"
November 41.9° 21.3° 31.6° 0.47" 5.0"
December 29.8° 11.1° 20.5° 0.42" 7.4"
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
McIntosh city City 2.5 mi —
Bullhead CDP CDP 14.0 mi —
Morristown town Town 19.8 mi —
Selfridge city City 21.1 mi —
Porcupine CDP CDP 24.7 mi —
McLaughlin city City 24.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57641. • 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.