StatisticSouth DorchesterBostonMassachusetts
Population density (sq mi)15,77313,617894
Median age35.831.739.4
Male/Female ratio0.9:10.9:10.9:1
Married (15yrs & older)n/a34%53%
Families w/ Kids under 1847%43%43%
Speak Englishn/a63%77%
Speak Spanishn/a17%9%

Key findings

  • The population density in South Dorchester is 16% higher than Boston
  • The median age in South Dorchester is 13% higher than Boston
  • In South Dorchester 29.18% of the population is White
  • In South Dorchester 48.53% of the population is Black
  • In South Dorchester 11.47% of the population is Asian

Compare Boston, MA Demographics


      South Dorchester population breakdown by race

      RaceSouth DorchesterBostonMassachusetts
      American Indian0.75%0.39%0.21%
      Native Hawaiian0.00%0.02%0.03%
      Mixed race3.15%4.92%3.01%
      Other race6.91%6.91%4.13%
      In South Dorchester, 19.0% 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

      South Dorchester age breakdown

      Marital status

      Age of children in married couples

      Source: The South Dorchester, Boston, MA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).