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ZIP Code 57640, South Dakota

ZIP Code 57640 profile, demographic data, and geographic information.

ZCTA5 57640 is a 5-digit ZIP Code area located in Perkins County, South Dakota. As of official census estimates, it has a reported population of 41. The land area covers 255.05 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 41 ±33 2020-2024 / Census ACS 5-Year 2024
Median Age 55.1 yrs ±12.8 2020-2024 / Census ACS 5-Year 2024
Total Households 30 ±28 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 30 ±28
Occupied Housing Units 30 ±28
Vacant Housing Units 0 ±10
Median Home Value $337,500 ±$118,513
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $250,000+ —
Per Capita Income $622,346 ±$506,102
Poverty Rate 0% ±24.4%
Population Below Poverty Level 0 ±10
Unemployment Rate 0% ±30.3%
Civilian Labor Force, Employed 33 ±29
Broadband Internet Rate 100% ±0%
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 PERKINS
GUS Population: 2,832 (2024)
ID: 175002
County Official County Government
Contact: CHAIRMAN
PO BOX 126, BISON SD 57620-0126

Education

No public or private school records currently linked for this geographic area.
Search nationwide schools directly on K12Guides.com →

Community Facilities & Infrastructure

Displaying 2 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ADAMS COUNTY LIBRARY
Library 16.4 mi away 103 N 6TH STREET, HETTINGER, ND, 58639
(701) 567-2741
BISON PUBLIC LIBRARY
Library 20.4 mi away 300 W CARR ST, BISON, SD, 57620
(605) 244-7252
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 LODGEPOLE 5SW, SD US, located 4.7 miles from ZCTA5 57640. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 27.8° 4.9° 16.4° 0.19" —
February 30.8° 6.6° 18.7° 0.34" —
March 42.6° 15.9° 29.3° 0.65" —
April 54.4° 24.9° 39.7° 1.41" —
May 64.9° 36.3° 50.6° 2.48" —
June 74.3° 47.0° 60.7° 3.50" —
July 82.1° 51.7° 66.9° 2.34" —
August 82.1° 49.1° 65.6° 2.09" —
September 73.1° 39.8° 56.4° 1.49" —
October 56.6° 26.8° 41.7° 1.56" —
November 42.1° 13.9° 28.0° 0.53" —
December 30.9° 6.7° 18.8° 0.28" —
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
Hettinger city City 16.6 mi —
Prairie City CDP CDP 17.0 mi —
Haynes city City 18.1 mi —
Bison town Town 20.4 mi —
Bucyrus city City 20.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57640. • 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.