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Washington township, South Dakota

Washington township profile, demographic data, and geographic information.

Washington township is a geographic entity located in Clark County, South Dakota. As of official census estimates, it has a reported population of 92. The land area covers 35.54 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 92 — 2025 / Census
Median Age 25.6 yrs ±14 2020-2024 / Census ACS 5-Year 2024
Total Households 42 ±22 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 42 ±22
Occupied Housing Units 42 ±22
Vacant Housing Units 0 ±10
Median Home Value $300,000 ±$69,644
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 $63,333 ±$39,239
Per Capita Income $34,208 ±$19,944
Poverty Rate 1.9% ±3.7%
Population Below Poverty Level 2 ±4
Unemployment Rate 0% ±15.6%
Civilian Labor Force, Employed 64 ±32
Broadband Internet Rate 81% ±26.5%
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
TOWNSHIP OF WASHINGTON
GUS Population: 88 (2024)
ID: 113047
Township Official Local Government
Contact: CLERK
43105 191ST ST, WILLOW LAKE SD 57278-5504
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 KG-08 Iroquois, SD
Regular School Nearby 09-12 De Smet, SD
Regular School Nearby 06-08 De Smet, 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 Lake Preston, SD
Regular School Nearby 09-12 Lake Preston, SD
Regular School Nearby 06-08 Lake Preston, SD
Regular School Nearby PK-05 De Smet, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 3 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
HAZEL L. MEYER MEMORIAL LIBRARY
Library 12.8 mi away 102 1ST STREET NE, DE SMET, SD, 57231
(605) 854-3842
DOROTHEE PIKE MEMORIAL LIBRARY
Library 16.6 mi away 225 N MAIN AVE, LAKE PRESTON, SD, 57249
(605) 847-4843
EMIL M. LARSON LIBRARY
Library 23.1 mi away 120 N COMMERCIAL, CLARK, SD, 57225
(605) 532-5571
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 DE SMET, SD US, located 13.1 miles from Washington township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 23.2° 4.9° 14.1° 0.60" 6.2"
February 28.5° 9.2° 18.9° 0.88" 9.2"
March 40.6° 20.9° 30.7° 1.36" 6.9"
April 55.0° 33.2° 44.1° 2.30" 4.8"
May 67.1° 45.4° 56.3° 3.32" 0.0"
June 76.9° 56.1° 66.5° 4.06" 0.0"
July 81.5° 61.0° 71.2° 3.88" 0.0"
August 79.1° 58.9° 69.0° 3.07" 0.0"
September 71.6° 50.1° 60.9° 2.78" 0.0"
October 56.9° 35.9° 46.4° 1.98" 1.6"
November 40.7° 22.0° 31.4° 0.96" 5.4"
December 27.7° 10.3° 19.0° 0.74" 7.3"
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
Bryant city City 3.9 mi —
Willow Lake city City 6.1 mi —
Erwin town Town 7.7 mi —
Collins Colony CDP CDP 8.0 mi —
Mayfield Colony CDP CDP 8.6 mi —
Vienna town Town 9.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4602568980. • 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.