Twin Brooks, SD Profile: Facts, Map & Data


Twin Brooks Local Links & Resources:
Hotels | Resources | ALL Twin Brooks Content

Also See: Twin Brooks, SD ZIP Codes & ZIP Code Maps | Local Area Photos

Twin Brooks, South Dakota - Basic Facts

Real Estate Resources

The Town of Twin Brooks had a population of 67 as of July 1, 2017. Twin Brooks ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for Twin Brooks is located at latitude 45.209 and longitude -96.7855 in Grant County. The formal boundaries for the Town of Twin Brooks (see map below) encompass a land area of 0.41 sq. miles and a water area of 0 sq. miles. Grant County is in the Central time zone (GMT -6). The elevation is 1,257 feet.

The Town of Twin Brooks (GNIS ID: 1267607) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Twin Brooks population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


Town of Twin Brooks, SD Boundary Map

Also See: BIG Map | Driving Directions | SD Congressional Districts
Boundary Maps: Grant County | South Dakota Counties

Search the map for:

Twin Brooks, SD Data & Demographics (As of July 1, 2017)


Total Population 67
Daytime Population: Workers 7
Daytime Population: Residents 28
Total Daytime Population (TDP) 35
Ratio TDP/Total Population1 0.52
Population in Households 67
Population in Familes 57
Population in Group Qrtrs 0
Population Density2 165
Diversity Index3 14


Median Household Income $60,092
Average Household Income $82,611
Per Capita Income $32,784


Total Housing Units 30 (100%)
Owner Occupied HU 22 (73.3%)
Renter Occupied HU 4 (13.3%)
Vacant Housing Units 4 (13.3%)
Median Home Value $92,857
Average Home Value $134,091


Total Households 26
Average Household Size 2.58
Family Households 19
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.4% -0.91%
Households -0.52% -0.78%
Families 0.0% -1.08%
Median Household Income   3.32%
Per Capita Income   4.03%

Twin Brooks, SD - Peer Comparisons by Rank and Percentile

The table below compares Twin Brooks to the other 391 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 317 19th
Population Density # 299 24th
Diversity Index # 192 52nd
Median Household Income # 61 84th
Per Capita Income # 54 86th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

South Dakota Research Tools

South Dakota Census Data Comparison Tool

Compare South Dakota Census Data
Highest or Lowest: