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Wentworth township, South Dakota

Wentworth township profile, demographic data, and geographic information.

Wentworth township is a geographic entity located in Lake County, South Dakota. As of official census estimates, it has a reported population of 513. The land area covers 34.14 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 513 — 2025 / Census
Median Age 56.6 yrs ±5 2020-2024 / Census ACS 5-Year 2024
Total Households 273 ±79 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 453 ±115
Occupied Housing Units 273 ±79
Vacant Housing Units 180 ±92
Median Home Value $461,000 ±$40,038
Median Gross Rent $719 ±$225
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $107,212 ±$9,172
Per Capita Income $116,282 ±$70,427
Poverty Rate 2.7% ±2.1%
Population Below Poverty Level 16 ±13
Unemployment Rate 2% ±2.9%
Civilian Labor Force, Employed 295 ±97
Broadband Internet Rate 90.1% ±9.7%
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
TOWNSHIP OF WENTWORTH
GUS Population: 513 (2024)
ID: 134711
Township Official Local Government
Contact: TOWNSHIP SUPERVISOR
23309 466TH AVENUE, WENTWORTH SD 57075-6909
COUNTY OF LAKE
GUS Population: 11,006 (2024)
ID: 174995
County Official County Government
Contact: LAKE COUNTY AUDITOR
200 E CENTER ST, STE 1, MADISON SD 57042-2956

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Baltic, SD
Regular School Nearby 09-12 Baltic, SD
Regular School Nearby 06-08 Baltic, SD
Regular School Nearby KG-08 Rutland, SD
Regular School Nearby 09-12 Chester, SD
Regular School Nearby PK-05 Chester, SD
Regular School Nearby 09-12 Chester, SD
Regular School Nearby 06-08 Chester, SD
Regular School Nearby PK-06 Colman, SD
Regular School Nearby 09-12 Colman, 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
Dakota State University
College 9.1 mi away 820 N Washington Ave, Madison, SD, 57042-1799
6052565111
COLMAN BRANCH LIBRARY- MOODY COUNTY
Library 6.3 mi away 120 NORTH MAIN AVE., COLMAN, SD, 57017
(605) 573-0959
Institute of Lutheran Theology
College 24.4 mi away 910 4th Street, Brookings, SD, 57006
6056929337
MADISON PUBLIC LIBRARY
Library 8.9 mi away 209 E CENTER, MADISON, SD, 57042
(605) 256-7525
COLTON BRANCH-SIOUXLAND LIBRARIES
Library 12.8 mi away 402 S DAKOTA AVENUE, COLTON, SD, 57018
(605) 367-8021
DELL RAPIDS CARNEGIE PUBLIC LIBRARY
Library 15.3 mi away 513 N ORLEANS AVENUE, DELL RAPIDS, SD, 57022
(605) 428-3595
MOODY COUNTY RESOURCE CENTER
Library 17.5 mi away 610 WEST COMMUNITY DRIVE, FLANDREAU, SD, 57028
(605) 997-3326
BALTIC BRANCH-SIOUXLAND LIBRARIES
Library 17.7 mi away 213 ST OLAF AVE., BALTIC, SD, 57003
(605) 367-8019
CROOKS BRANCH BOOKMOBILE-SIOUXLAND LIBRARIES
Library 22.0 mi away 900 N WEST AVE, CROOKS, SD, 57020
(605) 367-6384
CROOKS BRANCH-SIOUXLAND LIBRARIES
Library 22.0 mi away 900 N WEST AVE., CROOKS, SD, 57020
(605) 367-6384
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 WENTWORTH 2.5 WNW, SD US, located 4.1 miles from Wentworth township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 25.2° 6.8° 16.0° 0.48" 7.2"
February 30.3° 11.4° 20.9° 0.75" 6.4"
March 43.4° 22.5° 32.9° 1.23" 4.6"
April 57.9° 34.2° 46.0° 2.50" 4.4"
May 69.8° 46.7° 58.3° 3.52" 0.0"
June 78.9° 57.7° 68.3° 4.43" 0.0"
July 83.3° 61.4° 72.3° 3.22" 0.0"
August 80.7° 59.3° 70.0° 3.26" 0.0"
September 73.9° 51.1° 62.5° 3.27" 0.0"
October 59.9° 37.6° 48.7° 1.91" 1.5"
November 43.3° 24.2° 33.7° 1.17" 7.8"
December 29.3° 12.7° 21.0° 1.01" 6.2"
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
Wentworth town Town 2.1 mi —
Brant Lake city City 2.8 mi —
Brant Lake South CDP CDP 4.1 mi —
Lake Madison CDP CDP 4.8 mi —
Chester CDP CDP 5.0 mi —
Colman city City 6.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4607970060. • 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.