block group Density
per acre
Units
per acre
Platted Decades
Built Up
Primary Housing Type Neighborhood
Tract 277, Blockgroup 4 122.27 45.02 1839 1870 – 1960 two to four flats Bedford-Stuyvesant
Tract 492, Blockgroup 3 79.79 31.8 1870 1920 – 1960 apartments above retail Kensington
Tract 728, Blockgroup 1 93.91 40.7 1900 1940 – 1960 single family attached Flatlands
Tract 908, Blockgroup 3 154.90 58.88 1870 1955 – 1960 high-rise apartments Brownsville