Boston population is broken down by neighborhoods.

2010

Population of the various neighborhoods are: East Boston 40,508; Charlestown 16,439; South Boston 33,688; Central 30,901; Back Bay/Beacon Hill 27,476; South End 34,669; Fenway/Kenmore 40,898; Allston/Brighton 74,997; Jamaica Plain 39,897; Roxbury 59,790; North Dorchester 28,384; South Dorchester 59,949; Mattapan 34,616; Roslindale 32,508; West Roxbury 30,445; Hyde Park 31,894; Harbor Islands 535.

Sources
  • & Boston Redevelopment Authority