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ZIP Code 57440, South Dakota

ZIP Code 57440 profile, demographic data, and geographic information.

ZCTA5 57440 is a 5-digit ZIP Code area located in Spink County, South Dakota. As of official census estimates, it has a reported population of 466. The land area covers 141.93 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 466 ±101 2020-2024 / Census ACS 5-Year 2024
Median Age 54.5 yrs ±16.6 2020-2024 / Census ACS 5-Year 2024
Total Households 122 ±40 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 165 ±52
Occupied Housing Units 122 ±40
Vacant Housing Units 43 ±25
Median Home Value $132,800 ±$52,574
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 $54,625 ±$16,208
Per Capita Income $36,929 ±$7,413
Poverty Rate 18.5% ±10.9%
Population Below Poverty Level 86 ±54
Unemployment Rate 7.9% ±6.5%
Civilian Labor Force, Employed 221 ±82
Broadband Internet Rate 91.8% ±10.8%
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
GUS Population: 6,108 (2024)
ID: 175005
County Official County Government
Contact: DEPUTY AUDITOR
210 E 7TH AVENUE, SUITE 5, REDFIELD SD 57469-6617

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-08 Frankfort, SD
Regular School Nearby KG-08 Raymond, SD
Regular School Nearby PK-06 Doland, SD
Regular School Nearby 09-12 Doland, SD
Regular School Nearby 07-08 Doland, SD
Regular School Nearby KG-08 Frankfort, SD
Regular School Nearby KG-08 Doland, SD
Regular School Nearby 09-12 Doland, SD
Regular School Nearby 09-12 Tulare, SD
Regular School Nearby 07-08 Tulare, 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
DOLAND COMMUNITY LIBRARY
Library 8.2 mi away 405 N HUMPHREY DRIVE, DOLAND, SD, 57436
(605) 635-6421
REDFIELD CARNEGIE LIBRARY
Library 12.9 mi away 5 EAST 5TH AVE., REDFIELD, SD, 57469
(605) 472-4555
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 REDFIELD, SD US, located 13.2 miles from ZCTA5 57440. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 22.8° 2.9° 12.9° 0.49" —
February 27.6° 7.0° 17.3° 0.56" —
March 41.3° 19.9° 30.6° 0.87" —
April 56.3° 31.5° 43.9° 2.08" —
May 68.6° 44.4° 56.5° 3.34" —
June 78.7° 55.5° 67.1° 4.09" —
July 84.1° 60.3° 72.2° 3.27" —
August 82.3° 57.4° 69.9° 2.68" —
September 74.4° 47.7° 61.0° 2.00" —
October 58.9° 33.5° 46.2° 2.04" —
November 42.1° 20.6° 31.3° 0.68" —
December 27.9° 9.3° 18.6° 0.66" —
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
Frankfort city City 3.1 mi —
Glendale Colony CDP CDP 4.1 mi —
Camrose Colony CDP CDP 5.9 mi —
Spink Colony CDP CDP 7.7 mi —
Doland city City 8.2 mi —
Redfield city City 12.9 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57440. • 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.