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ZIP Code 57442, South Dakota

ZIP Code 57442 profile, demographic data, and geographic information.

ZCTA5 57442 is a 5-digit ZIP Code area located in Dewey County / Potter County / Sully County, South Dakota. As of official census estimates, it has a reported population of 1,772. The land area covers 593.40 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,772 ±152 2020-2024 / Census ACS 5-Year 2024
Median Age 51.6 yrs ±4.8 2020-2024 / Census ACS 5-Year 2024
Total Households 823 ±75 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 1,270 ±77
Occupied Housing Units 823 ±75
Vacant Housing Units 447 ±68
Median Home Value $134,600 ±$27,785
Median Gross Rent $1,031 ±$261
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $65,625 ±$14,965
Per Capita Income $40,616 ±$4,378
Poverty Rate 9.1% ±3.8%
Population Below Poverty Level 157 ±67
Unemployment Rate 1.9% ±2%
Civilian Labor Force, Employed 898 ±102
Broadband Internet Rate 87.8% ±3.5%
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 DEWEY
GUS Population: 5,322 (2024)
ID: 205376
County Official County Government
Contact: DEPUTY COUNTY AUDITOR
PO BOX 277, TIMBER LAKE SD 57656-0277

Education

Listing 3 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-05 Gettysburg, SD
Regular School Nearby 09-12 Gettysburg, SD
Regular School Nearby 06-08 Gettysburg, 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
POTTER COUNTY FREE LIBRARY
Library 10.4 mi away 205 W COMMERCIAL AVE, SUITE 103, GETTYSBURG, SD, 57442
(605) 765-9518
POTTER COUNTY FREE LIBRARY BOOKMOBILE
Library 10.4 mi away 205 W COMMERCIAL AVE, SUITE 103, GETTYSBURG, SD, 57442
(605) 765-9518
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 GETTYSBURG, SD US, located 11.0 miles from ZCTA5 57442. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 24.8° 5.3° 15.1° 0.29" 6.8"
February 29.1° 9.3° 19.2° 0.57" 10.6"
March 41.5° 20.3° 30.9° 0.66" 5.5"
April 55.8° 32.0° 43.9° 1.86" 4.5"
May 67.5° 43.8° 55.7° 3.03" 0.3"
June 77.7° 54.6° 66.2° 3.45" 0.0"
July 84.3° 59.8° 72.0° 3.01" 0.0"
August 83.0° 57.8° 70.4° 2.49" 0.0"
September 73.8° 48.2° 61.0° 2.01" 0.0"
October 58.0° 34.7° 46.3° 1.89" 1.3"
November 41.8° 21.3° 31.6° 0.51" 3.0"
December 28.9° 10.1° 19.5° 0.40" 6.7"
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
Swift Bird CDP CDP 9.7 mi —
Gettysburg city City 10.8 mi —
Agar town Town 16.3 mi —
Akaska town Town 18.3 mi —
Lebanon town Town 19.0 mi —
Lowry town Town 19.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57442. • 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.