Statistic Twin Brooks South Dakota National
Population 44 884,659 328,239,523
Population density (sq mi) 108 12 91
Median age 55.7 36.8 37.7
Male/Female ratio 1.4:1 1.0:1 1.0:1
Married (15yrs & older) 80% 59% 55%
Families w/ Kids under 18 12% 44% 43%
Speak English 100% 94% 79%
Speak Spanish 0% 2% 13%
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Demographics Quick Facts

  • The population density in Twin Brooks is 804% higher than South Dakota
  • The median age in Twin Brooks is 51% higher than South Dakota
  • In Twin Brooks 97.73% of the population is White
  • In Twin Brooks 0.00% of the population is Black
  • In Twin Brooks 0.00% of the population is Asian

Compare Twin Brooks, SD Demographics

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      Twin Brooks racial demographics

      Race Twin Brooks South Dakota National
      White 97.73% 84.77% 73.35%
      Black 0.00% 1.65% 12.63%
      Asian 0.00% 1.33% 5.22%
      American Indian 0.00% 8.72% 0.82%
      Native Hawaiian 0.00% 0.04% 0.18%
      Mixed race 2.27% 2.61% 3.06%
      Other race 0.00% 0.88% 4.75%
      In Twin Brooks, 0.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Twin Brooks age breakdown

      Marital status

      Age of children in married couples

      Source: The Twin Brooks, SD demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).