Skip to main content

ZIP Code 57331, South Dakota

ZIP Code 57331 profile, demographic data, and geographic information.

ZCTA5 57331 is a 5-digit ZIP Code area located in Davison County / Douglas County / Hutchinson County, South Dakota. As of official census estimates, it has a reported population of 231. The land area covers 68.31 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 231 ±80 2020-2024 / Census ACS 5-Year 2024
Median Age 46.9 yrs ±16 2020-2024 / Census ACS 5-Year 2024
Total Households 111 ±41 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 121 ±42
Occupied Housing Units 111 ±41
Vacant Housing Units 10 ±13
Median Home Value $292,500 ±$66,289
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 $101,406 ±$26,199
Per Capita Income $45,012 ±$13,194
Poverty Rate 8.7% ±9.9%
Population Below Poverty Level 20 ±24
Unemployment Rate 0% ±7.6%
Civilian Labor Force, Employed 131 ±50
Broadband Internet Rate 85.6% ±41.6%
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: 19,907 (2024)
ID: 134542
County Official County Government
Contact: COUNTY AUDITOR
200 E 4TH AVE, MITCHELL SD 57301-2692

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-06 Ethan, SD
Regular School Nearby 09-12 Ethan, SD
Regular School Nearby 07-08 Ethan, SD
Regular School Nearby 09-12 Mitchell, SD
Regular School Nearby PK-05 Alexandria, SD
Regular School Nearby 09-12 Alexandria, SD
Regular School Nearby 06-08 Alexandria, SD
Regular School Nearby KG-08 Mitchell, SD
Regular School Nearby PK-08 Ethan, SD
Regular School Nearby PK-08 Parkston, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 6 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Mitchell Technical College
College 15.0 mi away 1800 E. Spruce Street, Mitchell, SD, 57301
6059953025
PARKSTON PUBLIC LIBRARY
Library 6.2 mi away 110 W MAIN ST, PARKSTON, SD, 57366
(605) 928-7906
Dakota Wesleyan University
College 15.4 mi away 1200 W University Ave, Mitchell, SD, 57301-4398
6059952600
MITCHELL PUBLIC LIBRARY
Library 16.4 mi away 221 N DUFF STREET, MITCHELL, SD, 57301
(605) 995-8480
TRIPP PUBLIC LIBRARY
Library 17.6 mi away 105 S SLOAN STREET, TRIPP, SD, 57376
(605) 935-1422
ARMOUR-CARNEGIE PUBLIC LIBRARY
Library 18.5 mi away 915 MAIN ST, ARMOUR, SD, 57313
(605) 724-2743
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 ALEXANDRIA, SD US, located 17.4 miles from ZCTA5 57331. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 25.3° 5.8° 15.5° 0.47" 6.1"
February 31.0° 9.6° 20.3° 0.74" 8.0"
March 43.8° 20.7° 32.2° 1.13" 5.2"
April 57.6° 31.9° 44.8° 2.88" 4.7"
May 69.4° 44.4° 56.9° 3.64" 0.0"
June 79.3° 55.6° 67.4° 3.97" 0.0"
July 84.2° 60.0° 72.1° 3.13" 0.0"
August 81.8° 57.4° 69.6° 3.02" 0.0"
September 75.1° 48.6° 61.9° 2.81" 0.0"
October 60.0° 34.7° 47.4° 2.01" 0.9"
November 43.2° 21.4° 32.3° 0.92" 3.2"
December 29.2° 10.3° 19.7° 0.60" 8.2"
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
Dimock town Town 2.9 mi —
Ethan town Town 5.8 mi —
Parkston city City 6.3 mi —
New Elm Spring Colony CDP CDP 10.9 mi —
Old Elm Spring Colony CDP CDP 12.1 mi —
Milltown CDP CDP 12.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57331. • 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.