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ZIP Code 57031, South Dakota

ZIP Code 57031 profile, demographic data, and geographic information.

ZCTA5 57031 is a 5-digit ZIP Code area located in Clay County / Yankton County, South Dakota. As of official census estimates, it has a reported population of 784. The land area covers 39.35 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 784 ±149 2020-2024 / Census ACS 5-Year 2024
Median Age 42.6 yrs ±1.8 2020-2024 / Census ACS 5-Year 2024
Total Households 394 ±105 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 429 ±109
Occupied Housing Units 394 ±105
Vacant Housing Units 35 ±31
Median Home Value $137,100 ±$7,979
Median Gross Rent $602 ±$54
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $64,794 ±$18,795
Per Capita Income $42,104 ±$6,699
Poverty Rate 5.4% ±5%
Population Below Poverty Level 42 ±40
Unemployment Rate 0% ±1.9%
Civilian Labor Force, Employed 528 ±123
Broadband Internet Rate 83.5% ±11.7%
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: 15,245 (2024)
ID: 134541
County Official County Government
Contact: CHAIRMAN
211 W MAIN ST, STE 200, VERMILLION SD 57069-2056

Education

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

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Avera Sacred Heart Hospital
College 11.2 mi away 501 Summit, Yankton, SD, 57078-3899 —
YANKTON COMMUNITY LIBRARY
Library 10.5 mi away 515 WALNUT, YANKTON, SD, 57078
(605) 668-5276
Mount Marty University
College 11.3 mi away 1105 W. 8th Street, Yankton, SD, 57078-3724
6056681545
EDITH B SIEGRIST VERMILLION PUBLIC LIBRARY
Library 14.6 mi away 18 CHURCH STREET, VERMILLION, SD, 57069
(605) 677-7060
University of South Dakota
College 14.6 mi away 414 E Clark St, Vermillion, SD, 57069-2390
6056586200
IRENE SCHOOL/COMMUNITY LIBRARY
Library 14.6 mi away 130 E STATE ST, IRENE, SD, 57037
(605) 263-3311
HARTINGTON PUBLIC LIBRARY
Library 18.1 mi away 106 SOUTH BROADWAY, HARTINGTON, NE, 68739
(402) 254-6245
EASTERN TOWNSHIP LIBRARY
Library 18.6 mi away 206 WEST MAIN STREET, CROFTON, NE, 68730
(402) 388-4915
CENTERVILLE COMMUNITY LIBRARY
Library 20.4 mi away 421 FLORIDA, CENTERVILLE, SD, 57014
(605) 563-2540
VIBORG PUBLIC LIBRARY
Library 21.1 mi away 114 N MAIN STREET, VIBORG, SD, 57070
(605) 326-5481
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 YANKTON 2 E, SD US, located 9.0 miles from ZCTA5 57031. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 30.0° 10.4° 20.2° 0.65" 6.7"
February 34.9° 14.2° 24.6° 0.91" 8.5"
March 47.1° 24.6° 35.9° 1.60" 4.7"
April 60.0° 35.4° 47.7° 3.36" 3.7"
May 71.9° 47.7° 59.8° 3.68" 0.2"
June 82.4° 58.9° 70.7° 4.03" 0.0"
July 87.1° 63.8° 75.4° 3.46" 0.0"
August 84.8° 61.5° 73.1° 3.26" 0.0"
September 77.5° 52.1° 64.8° 2.85" 0.0"
October 63.3° 38.5° 50.9° 2.56" 0.8"
November 47.2° 25.3° 36.2° 1.27" 5.9"
December 34.0° 14.9° 24.5° 1.03" 7.6"
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
Gayville town Town 1.2 mi —
St. Helena village Village 5.5 mi —
Mission Hill town Town 5.7 mi —
Volin town Town 5.7 mi —
Meckling CDP CDP 6.5 mi —
Wynot village Village 9.4 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57031. • 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.