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Lynn township, South Dakota

Lynn township profile, demographic data, and geographic information.

Lynn township is a geographic entity located in Day County, South Dakota. As of official census estimates, it has a reported population of 31. The land area covers 35.29 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 31 — 2025 / Census
Median Age 49.3 yrs ±14.9 2020-2024 / Census ACS 5-Year 2024
Total Households 18 ±14 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 18 ±14
Occupied Housing Units 18 ±14
Vacant Housing Units 0 ±10
Median Home Value $220,800 ±$183,440
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 $74,750 ±$62,767
Per Capita Income $50,865 ±$11,016
Poverty Rate 0% ±25%
Population Below Poverty Level 0 ±10
Unemployment Rate 0% ±25.6%
Civilian Labor Force, Employed 39 ±30
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 LYNN
GUS Population: 29 (2024)
ID: 113061
Township Official Local Government
Contact: CLERK
13429 425TH AVE, BRISTOL SD 57219-5517
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 6 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Langford, SD
Regular School Nearby 09-12 Langford, SD
Regular School Nearby 06-08 Langford, 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 5 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
WEBSTER PUBLIC LIBRARY
Library 11.0 mi away 800 MAIN STREET, WEBSTER, SD, 57274
(605) 345-3263
LANGFORD PUBLIC LIBRARY
Library 13.0 mi away 306 MAIN ST, LANGFORD, SD, 57454
(605) 493-6690
WAUBAY PUBLIC LIBRARY
Library 19.7 mi away 94 NORTH MAIN ST, WAUBAY, SD, 57273
(605) 947-4748
WAGE MEMORIAL LIBRARY
Library 20.7 mi away 120 N MAIN STREET, GROTON, SD, 57445
(605) 397-8422
BRITTON PUBLIC LIBRARY
Library 23.8 mi away 759 7TH ST, BRITTON, SD, 57430
(605) 448-2800
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 WEBSTER, SD US, located 10.9 miles from Lynn township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 20.4° 2.4° 11.4° 0.84" 9.6"
February 25.3° 6.3° 15.8° 0.75" 7.9"
March 38.0° 18.9° 28.4° 1.11" 5.1"
April 52.9° 31.9° 42.4° 2.22" 5.0"
May 66.4° 45.2° 55.8° 3.39" 0.0"
June 76.0° 56.1° 66.1° 3.97" 0.0"
July 80.9° 61.1° 71.0° 4.02" 0.0"
August 79.0° 59.0° 69.0° 2.97" 0.0"
September 70.7° 49.6° 60.2° 2.56" 0.0"
October 55.4° 35.7° 45.5° 2.47" 1.4"
November 38.8° 21.3° 30.0° 0.71" 6.0"
December 25.4° 9.2° 17.3° 1.06" 7.8"
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
Bristol city City 8.3 mi —
Pierpont town Town 8.4 mi —
Roslyn town Town 9.2 mi —
Webster city City 10.7 mi —
Andover town Town 11.7 mi —
Langford town Town 12.9 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4603739580. • 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.