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Twin Brooks town, South Dakota

Twin Brooks town profile, demographic data, and geographic information.

Twin Brooks town is a geographic entity located in Grant County, South Dakota. As of official census estimates, it has a reported population of 47. The land area covers 0.41 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 47 — 2025 / Census
Median Age 55.8 yrs ±23.5 2020-2024 / Census ACS 5-Year 2024
Total Households 17 ±11 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 21 ±13
Occupied Housing Units 17 ±11
Vacant Housing Units 4 ±6
Median Home Value $75,800 ±$14,891
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 $30,255 ±$16,953
Poverty Rate 27.6% ±38.5%
Population Below Poverty Level 8 ±12
Unemployment Rate 25% ±52.1%
Civilian Labor Force, Employed 15 ±13
Broadband Internet Rate 82.4% ±36.7%
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
TOWN OF TWIN BROOKS
GUS Population: 47 (2024)
ID: 175055
Municipal Official Local Government
Contact: BOARD PRESIDENT
609 TOO GOOD ST, TWIN BROOKS SD 57269-2014
COUNTY OF GRANT
GUS Population: 7,618 (2024)
ID: 209458
County Official County Government
Contact: AUDITOR
210 E 5TH AVE, MILBANK SD 57252-2433

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-08 Milbank, SD
Regular School Nearby KG-08 CLINTON, MN
Regular School Nearby 09-12 CLINTON, MN
Regular School Nearby PK-05 Milbank, SD
Regular School Nearby 09-12 Milbank, SD
Regular School Nearby 06-08 Milbank, SD
Regular School Nearby PK-08 Summit, SD
Regular School Nearby 09-12 Summit, SD
Regular School Nearby PK-05 Waverly, SD
Regular School Nearby 09-12 Waverly, 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
GRANT COUNTY PUBLIC LIBRARY
Library 7.3 mi away 207 EAST PARK AVE, MILBANK, SD, 57252
(605) 432-6543
GRANT COUNTY-STRANDBURG BRANCH
Library 7.6 mi away 118 N MAIN STREET, STRANDBURG, SD, 57265 —
WILMOT PUBLIC LIBRARY
Library 14.3 mi away 602 MAIN STREET, WILMOT, SD, 57279
(605) 938-5698
GRANT COUNTY-BIG STONE CITY BRANCH
Library 16.7 mi away 400 WASHINGTON, SUITE 102, BIG STONE CITY, SD, 57216 —
GRANT COUNTY-REVILLO BRANCH
Library 16.9 mi away 401 N 2ND AVE, REVILLO, SD, 57259 —
ORTONVILLE PUBLIC LIBRARY
Library 17.8 mi away 412 NW 2ND STREET, ORTONVILLE, MN, 56278
(320) 839-2494
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 MILBANK, SD US, located 8.0 miles from Twin Brooks town. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 20.9° 3.5° 12.2° 0.71" —
February 25.6° 6.7° 16.1° 0.70" —
March 37.8° 19.0° 28.4° 1.18" —
April 53.8° 31.8° 42.8° 2.41" —
May 67.0° 44.5° 55.8° 2.89" —
June 76.9° 56.2° 66.6° 3.92" —
July 81.0° 60.2° 70.6° 3.80" —
August 79.1° 57.3° 68.2° 3.21" —
September 71.8° 48.0° 59.9° 2.60" —
October 57.9° 34.7° 46.3° 2.31" —
November 40.8° 21.9° 31.3° 0.93" —
December 26.5° 9.7° 18.1° 0.77" —
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
Twin Brooks town Town 0.0 mi —
Marvin town Town 7.3 mi —
Stockholm town Town 7.3 mi —
Milbank city City 7.4 mi —
Corona town Town 8.8 mi —
South Shore town Town 10.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4605164700. • 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.