Skip to main content

ZIP Code 57271, South Dakota

ZIP Code 57271 profile, demographic data, and geographic information.

ZCTA5 57271 is a 5-digit ZIP Code area located in Clark County / Hamlin County, South Dakota. As of official census estimates, it has a reported population of 246. The land area covers 63.81 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 246 ±124 2020-2024 / Census ACS 5-Year 2024
Median Age 29 yrs ±4.9 2020-2024 / Census ACS 5-Year 2024
Total Households 79 ±45 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 89 ±45
Occupied Housing Units 79 ±45
Vacant Housing Units 10 ±12
Median Home Value $307,800 ±$234,895
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 $85,524 ±$16,494
Per Capita Income $30,407 ±$10,115
Poverty Rate 20.7% ±22.9%
Population Below Poverty Level 51 ±62
Unemployment Rate 2.2% ±5%
Civilian Labor Force, Employed 132 ±76
Broadband Internet Rate 86.1% ±20.6%
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
COUNTY OF CLARK
GUS Population: 3,974 (2024)
ID: 174985
County Official County Government
Contact: CLARK COUNTY AUDITOR
PO BOX 294, CLARK SD 57225-0294

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Clark, SD
Regular School Nearby 09-12 Clark, SD
Regular School Nearby 06-08 Clark, SD
Regular School Nearby KG-08 Iroquois, SD
Regular School Nearby PK-05 Hayti, SD
Regular School Nearby 09-12 Hayti, SD
Regular School Nearby 06-08 Hayti, SD
Regular School Nearby PK-05 Henry, SD
Regular School Nearby 09-12 Henry, SD
Regular School Nearby 06-08 Henry, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 5 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Lake Area Technical College
College 23.9 mi away 1201 Arrow Ave, Watertown, SD, 57201-0730
6058825284
EMIL M. LARSON LIBRARY
Library 12.7 mi away 120 N COMMERCIAL, CLARK, SD, 57225
(605) 532-5571
HAMLIN-CODINGTON REGIONAL LIBRARY
Library 22.6 mi away 3 8TH AVE. SE, WATERTOWN, SD, 57201
(605) 753-1011
HAMLIN-CODINGTON REGIONAL LIBRARY-BOOKMOBILE
Library 22.6 mi away 3 8TH AVE SE, WATERTOWN, SD, 57201
(605) 753-1011
WATERTOWN REGIONAL LIBRARY
Library 23.5 mi away 160 6TH ST NE, WATERTOWN, SD, 57201
(605) 882-6220
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 CLARK, SD US, located 12.8 miles from ZCTA5 57271. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 21.1° 3.5° 12.3° 0.62" —
February 25.9° 7.1° 16.5° 0.62" —
March 38.7° 18.9° 28.8° 1.03" —
April 53.3° 31.5° 42.4° 2.14" —
May 66.4° 44.6° 55.5° 3.10" —
June 76.5° 55.9° 66.2° 4.14" —
July 81.7° 60.7° 71.2° 3.61" —
August 80.1° 58.1° 69.1° 2.74" —
September 71.8° 48.9° 60.4° 2.70" —
October 56.5° 35.2° 45.8° 2.21" —
November 40.0° 21.3° 30.6° 0.78" —
December 26.6° 9.8° 18.2° 0.70" —
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
Naples town Town 1.5 mi —
Vienna town Town 4.3 mi —
Mayfield Colony CDP CDP 4.9 mi —
Hazel town Town 7.7 mi —
Silver Lake Colony CDP CDP 8.2 mi —
Henry town Town 9.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57271. • 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.