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Twin Lake township, South Dakota

Twin Lake township profile, demographic data, and geographic information.

Twin Lake township is a geographic entity located in Sanborn County, South Dakota. As of official census estimates, it has a reported population of 94. The land area covers 35.70 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 94 — 2025 / Census
Median Age 29 yrs ±18.4 2020-2024 / Census ACS 5-Year 2024
Total Households 38 ±21 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 68 ±32
Occupied Housing Units 38 ±21
Vacant Housing Units 30 ±27
Median Home Value $159,100 ±$19,118
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 Suppressed —
Per Capita Income $53,181 ±$34,346
Poverty Rate 0% ±13.3%
Population Below Poverty Level 0 ±10
Unemployment Rate 0% ±18.2%
Civilian Labor Force, Employed 55 ±37
Broadband Internet Rate 100% ±0%
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
TOWNSHIP OF TWIN LAKE
GUS Population: 95 (2024)
ID: 113156
Township Official Local Government
Contact: CLERK
39833 233RD ST, WOONSOCKET SD 57385-6522
COUNTY OF SANBORN
GUS Population: 2,392 (2024)
ID: 202563
County Official County Government
Contact: CHAIRMAN
PO BOX 7, WOONSOCKET SD 57385-0007

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 6 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Dakota Wesleyan University
College 23.7 mi away 1200 W University Ave, Mitchell, SD, 57301-4398
6059952600
WOONSOCKET COMMUNITY LIBRARY
Library 4.6 mi away 101 N 2ND, WOONSOCKET, SD, 57385
(605) 796-1412
Mitchell Technical College
College 25.0 mi away 1800 E. Spruce Street, Mitchell, SD, 57301
6059953025
WESSINGTON SPRINGS CARNEGIE LIBRARY
Library 15.7 mi away 109 WEST MAIN, WESSINGTON SPRINGS, SD, 57382
(605) 539-1803
PLANKINTON COMMUNITY LIBRARY
Library 21.7 mi away 404 E DAVENPORT, PLANKINTON, SD, 57368
(605) 942-7600
MITCHELL PUBLIC LIBRARY
Library 23.0 mi away 221 N DUFF STREET, MITCHELL, SD, 57301
(605) 995-8480
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 FORESTBURG 4 NNE, SD US, located 11.3 miles from Twin Lake township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.2° 4.8° 15.5° 0.54" 6.0"
February 31.9° 8.6° 20.3° 0.79" 5.6"
March 44.8° 20.5° 32.6° 1.05" 2.8"
April 59.6° 31.8° 45.7° 2.92" 3.0"
May 70.6° 44.4° 57.5° 3.58" 0.0"
June 80.5° 55.1° 67.8° 3.71" 0.0"
July 86.0° 59.5° 72.7° 3.10" 0.0"
August 83.3° 57.1° 70.2° 3.05" 0.0"
September 76.5° 48.2° 62.4° 2.26" 0.0"
October 61.3° 34.3° 47.8° 2.08" 0.4"
November 44.4° 20.7° 32.6° 0.88" 3.7"
December 31.0° 9.9° 20.4° 0.64" 4.8"
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
Woonsocket city City 4.5 mi —
Letcher town Town 9.1 mi —
Forestburg CDP CDP 9.1 mi —
Lane town Town 9.1 mi —
Storla CDP CDP 9.4 mi —
Alpena town Town 14.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4611164820. • 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.