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Sully township, South Dakota

Sully township profile, demographic data, and geographic information.

Sully township is a geographic entity located in Tripp County, South Dakota. As of official census estimates, it has a reported population of 28. The land area covers 35.64 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 28 — 2025 / Census
Median Age 65 yrs ±10.6 2020-2024 / Census ACS 5-Year 2024
Total Households 27 ±28 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 27 ±28
Occupied Housing Units 27 ±28
Vacant Housing Units 0 ±10
Median Home Value $271,600 ±$51,749
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 $88,580 ±$6,879
Per Capita Income $38,216 ±$12,499
Poverty Rate 0% ±13.3%
Population Below Poverty Level 0 ±10
Unemployment Rate 0% ±16.7%
Civilian Labor Force, Employed 60 ±70
Broadband Internet Rate 18.5% ±17.4%
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 SULLY
GUS Population: 28 (2024)
ID: 175632
Township Official Local Government
Contact: CHAIRMAN
922 W 2ND ST, WINNER SD 57580
COUNTY OF TRIPP
GUS Population: 5,717 (2024)
ID: 175007
County Official County Government
Contact: CHAIRMAN
200 E 3RD ST, WINNER SD 57580-1806

Education

Listing 9 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Colome, SD
Regular School Nearby 09-12 Colome, SD
Regular School Nearby 06-08 Colome, SD
Regular School Nearby PK-05 Gregory, SD
Regular School Nearby 09-12 Gregory, SD
Regular School Nearby 06-08 Gregory, SD
Regular School Nearby PK-05 Winner, SD
Regular School Nearby 09-12 Winner, SD
Regular School Nearby 06-08 Winner, 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
TRIPP COUNTY LIBRARY - GROSSENBURG MEMORIAL
Library 13.9 mi away 442 MONROE STREET, WINNER, SD, 57580
(605) 842-0330
GREGORY PUBLIC LIBRARY
Library 14.0 mi away 112 EAST FIFTH STREET, GREGORY, SD, 57533
(605) 835-8531
BURKE PUBLIC LIBRARY
Library 21.0 mi away 704 MAIN, BURKE, SD, 57523
(605) 775-2373
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 WINNER WILEY FLD, SD US, located 13.0 miles from Sully township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 34.8° 14.5° 24.6° 0.21" —
February 38.8° 17.0° 27.9° 0.30" —
March 49.8° 26.4° 38.1° 0.84" —
April 60.1° 36.0° 48.0° 2.11" —
May 70.8° 47.1° 59.0° 3.39" —
June 81.7° 58.0° 69.8° 3.72" —
July 89.6° 64.3° 77.0° 2.36" —
August 87.4° 62.3° 74.9° 2.53" —
September 79.2° 53.0° 66.1° 1.81" —
October 63.8° 39.3° 51.5° 1.48" —
November 49.0° 26.6° 37.8° 0.44" —
December 37.4° 17.7° 27.5° 0.26" —
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
Dallas town Town 11.7 mi —
Colome city City 11.8 mi —
Winner city City 13.7 mi —
Gregory city City 14.3 mi —
Hamill CDP CDP 14.5 mi —
Ideal CDP CDP 19.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4612362140. • 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.