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ZIP Code 57261, South Dakota

ZIP Code 57261 profile, demographic data, and geographic information.

ZCTA5 57261 is a 5-digit ZIP Code area located in Day County, South Dakota. As of official census estimates, it has a reported population of 277. The land area covers 67.50 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 277 ±92 2020-2024 / Census ACS 5-Year 2024
Median Age 49.9 yrs ±16.8 2020-2024 / Census ACS 5-Year 2024
Total Households 111 ±35 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 142 ±38
Occupied Housing Units 111 ±35
Vacant Housing Units 31 ±19
Median Home Value $167,500 ±$22,774
Median Gross Rent $525 ±$200
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $77,813 ±$67,989
Per Capita Income $29,673 ±$4,917
Poverty Rate 7.2% ±5.5%
Population Below Poverty Level 18 ±15
Unemployment Rate 0% ±10.9%
Civilian Labor Force, Employed 92 ±41
Broadband Internet Rate 67.6% ±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
COUNTY OF DAY
GUS Population: 5,408 (2024)
ID: 174987
County Official County Government
Contact: CHAIRMAN
711 W 1ST ST, WEBSTER SD 57274-1364

Education

Listing 7 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-08 Waubay, SD
Regular School Nearby PK-06 Waubay, SD
Regular School Nearby 09-12 Waubay, SD
Regular School Nearby 07-08 Waubay, SD
Regular School Nearby PK-05 Webster, SD
Regular School Nearby 09-12 Webster, SD
Regular School Nearby 06-08 Webster, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 7 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Sisseton Wahpeton College
College 21.3 mi away 12572 BIA Rd 700, Sisseton, SD, 57262
60569839661100
WEBSTER PUBLIC LIBRARY
Library 14.7 mi away 800 MAIN STREET, WEBSTER, SD, 57274
(605) 345-3263
LANGFORD PUBLIC LIBRARY
Library 16.5 mi away 306 MAIN ST, LANGFORD, SD, 57454
(605) 493-6690
WAUBAY PUBLIC LIBRARY
Library 17.7 mi away 94 NORTH MAIN ST, WAUBAY, SD, 57273
(605) 947-4748
BRITTON PUBLIC LIBRARY
Library 21.0 mi away 759 7TH ST, BRITTON, SD, 57430
(605) 448-2800
SISSETON WAHPETON COMMUNITY COLLEGE LIBRARY
Library 21.3 mi away BIA ROAD 700, SISSETON, SD, 57262
(605) 698-3966
SISSETON MEMORIAL LIBRARY
Library 23.4 mi away 305 E MAPLE ST, SISSETON, SD, 57262
(605) 698-7391
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 ROY LAKE, SD US, located 11.7 miles from ZCTA5 57261. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 21.6° 2.6° 12.1° 0.55" 6.6"
February 25.6° 5.2° 15.4° 0.63" 9.2"
March 37.8° 17.6° 27.7° 0.98" 7.0"
April 53.0° 31.9° 42.4° 2.06" 7.2"
May 66.9° 45.9° 56.4° 3.15" 0.2"
June 76.4° 57.7° 67.1° 4.27" 0.0"
July 81.8° 62.2° 72.0° 4.41" 0.0"
August 80.5° 60.2° 70.3° 2.62" 0.0"
September 71.7° 51.0° 61.3° 2.50" 0.0"
October 56.8° 37.3° 47.1° 2.21" 2.5"
November 40.1° 23.0° 31.5° 0.85" 4.3"
December 27.2° 9.6° 18.4° 0.76" 11.1"
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
Roslyn town Town 3.4 mi —
Eden town Town 6.3 mi —
Grenville town Town 7.6 mi —
Clear Lake CDP CDP 11.7 mi —
Enemy Swim CDP CDP 13.1 mi —
Lake City town Town 13.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57261. • 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.