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Allison township, South Dakota

Allison township profile, demographic data, and geographic information.

Allison township is a geographic entity located in Brown County, South Dakota. As of official census estimates, it has a reported population of 27. The land area covers 35.89 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 27 — 2025 / Census
Median Age 15.5 yrs ±6.4 2020-2024 / Census ACS 5-Year 2024
Total Households 4 ±5 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 11 ±11
Occupied Housing Units 4 ±5
Vacant Housing Units 7 ±12
Median Home Value Suppressed —
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 $13,429 ±$24,572
Poverty Rate 85.7% ±73.6%
Population Below Poverty Level 12 ±20
Unemployment Rate 0% ±166.7%
Civilian Labor Force, Employed 6 ±7
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 ALLISON
GUS Population: 27 (2024)
ID: 175165
Township Official Local Government
37747 109TH ST., FREDERICK SD 57441-5608
GUS Population: 37,495 (2024)
ID: 209455
County Official County Government
Contact: BROWN COUNTY AUDITOR
25 MARKET ST, STE 1, ABERDEEN SD 57401-4293

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Ellendale, ND
Regular School Nearby 09-12 Ellendale, ND
Regular School Nearby 07-12 Ellendale, ND
Regular School Nearby 06-08 Ellendale, ND
Regular School Nearby PK-05 Frederick, SD
Regular School Nearby 06-08 Frederick, SD
Regular School Nearby 09-12 Frederick, SD
Regular School Nearby KG-08 Westport, SD
Alternative School Nearby 09-12 Leola, SD
Regular School Nearby PK-05 Leola, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 4 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Trinity Bible College and Graduate School
College 15.0 mi away 50 6th Ave S, Ellendale, ND, 58436-7105
8005231603
EMMA BURNHAM PUBLIC LIBRARY
Library 7.7 mi away 403 MAIN ST, FREDERICK, SD, 57441
(605) 329-2241
LEOLA PUBLIC LIBRARY
Library 14.6 mi away 802 MAIN STREET, LEOLA, SD, 57456
(605) 439-3383
ELLENDALE PUBLIC LIBRARY
Library 14.8 mi away 67 1ST AVE SOUTH, ELLENDALE, ND, 58436
(701) 349-3852
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 LEOLA, SD US, located 14.9 miles from Allison township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 21.6° 0.8° 11.2° 0.60" —
February 26.1° 5.3° 15.7° 0.68" —
March 38.5° 16.7° 27.6° 1.00" —
April 54.9° 29.5° 42.2° 1.92" —
May 67.5° 43.1° 55.3° 3.15" —
June 77.3° 54.1° 65.7° 3.65" —
July 82.5° 59.0° 70.7° 3.09" —
August 80.8° 55.5° 68.1° 2.98" —
September 72.9° 45.8° 59.3° 1.82" —
October 56.7° 32.2° 44.4° 1.75" —
November 39.5° 19.2° 29.3° 0.71" —
December 26.0° 7.6° 16.8° 0.45" —
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
Frederick town Town 7.7 mi —
Forbes city City 10.9 mi —
Grassland Colony CDP CDP 11.6 mi —
Spring Creek Colony CDP CDP 12.5 mi —
Westport town Town 13.6 mi —
Wetonka town Town 13.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4601300980. • 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.