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Walnut Grove township, South Dakota

Walnut Grove township profile, demographic data, and geographic information.

Walnut Grove township is a geographic entity located in Douglas County, South Dakota. As of official census estimates, it has a reported population of 115. The land area covers 28.98 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 115 — 2025 / Census
Median Age 42.4 yrs ±28.5 2020-2024 / Census ACS 5-Year 2024
Total Households 69 ±26 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 74 ±26
Occupied Housing Units 69 ±26
Vacant Housing Units 5 ±8
Median Home Value $458,300 ±$175,819
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 $53,253 ±$20,821
Poverty Rate 0% ±5.5%
Population Below Poverty Level 0 ±10
Unemployment Rate 0% ±8.8%
Civilian Labor Force, Employed 113 ±50
Broadband Internet Rate 94.2% ±16.5%
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 WALNUT GROVE
GUS Population: 114 (2024)
ID: 134663
Township Official Local Government
Contact: TOWNSHIP CHAIRMAN
39149 269TH ST, CORSICA SD 57328-5137
COUNTY OF DOUGLAS
GUS Population: 2,849 (2024)
ID: 112962
County Official County Government
Contact: AUDITOR
PO BOX 159, ARMOUR SD 57313-0159

Education

Listing 7 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Armour, SD
Regular School Nearby 09-12 Armour, SD
Regular School Nearby 06-08 Armour, SD
Regular School Nearby PK-05 Stickney, SD
Regular School Nearby 09-12 Corsica, SD
Regular School Nearby 06-08 Corsica, SD
5 Nearby 2-17 CORSICA, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 6 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ARMOUR-CARNEGIE PUBLIC LIBRARY
Library 10.6 mi away 915 MAIN ST, ARMOUR, SD, 57313
(605) 724-2743
PLANKINTON COMMUNITY LIBRARY
Library 17.3 mi away 404 E DAVENPORT, PLANKINTON, SD, 57368
(605) 942-7600
LAKE ANDES PUBLIC LIBRARY
Library 21.9 mi away 17 PARK AVENUE, LAKE ANDES, SD, 57356
(605) 487-7524
PLATTE PUBLIC LIBRARY
Library 21.9 mi away 310 SOUTH MAIN, PLATTE, SD, 57369
(605) 337-9869
PARKSTON PUBLIC LIBRARY
Library 22.3 mi away 110 W MAIN ST, PARKSTON, SD, 57366
(605) 928-7906
WHITE LAKE COMMUNITY LIBRARY
Library 23.4 mi away 111 MAIN ST, WHITE LAKE, SD, 57383
(605) 249-2301
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 ARMOUR, SD US, located 11.0 miles from Walnut Grove township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 31.8° 10.0° 20.9° 0.55" 6.1"
February 37.1° 14.3° 25.7° 0.86" 5.5"
March 49.6° 24.3° 36.9° 1.24" 6.3"
April 62.3° 35.2° 48.8° 3.26" 4.1"
May 72.8° 46.4° 59.6° 4.03" 0.0"
June 82.4° 57.7° 70.1° 3.74" 0.0"
July 88.0° 62.1° 75.0° 2.67" 0.0"
August 86.3° 60.2° 73.3° 2.84" 0.0"
September 79.2° 51.5° 65.3° 2.42" 0.0"
October 64.3° 37.8° 51.0° 2.07" 1.2"
November 47.7° 24.5° 36.1° 1.02" 6.1"
December 34.6° 14.4° 24.5° 0.72" 5.1"
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
Corsica city City 2.9 mi —
Harrison CDP CDP 5.8 mi —
Stickney town Town 8.7 mi —
Aurora Center CDP CDP 9.5 mi —
New Holland CDP CDP 9.7 mi —
Armour city City 10.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4604368500. • 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.