block group Density
per acre		 Units
per acre		 Platted Decades
Built Up		 Primary Housing Type Neighborhood
Tract 213, Blockgroup 2 160.53 33.39 1860 1900 – 1950 five story apartments Crown Heights
Tract 326, Blockgroup 2 125.45 39.87 1900 1920 – 1940 apartments above retail Coney Island
Tract 342, Blockgroup 1 141.27 44.71 1900 1900 – 1920 high-rise apartments Coney Island
Tract 766, Blockgroup 1 114.46 38.51 1870 1900 – 1930 single family detached Flatbush
Tract 874.01, Blockgroup 1 71.75 33.45 1890 1870 – 1900 high-rise apartments East Flatbush
Tract 908, Blockgroup 3 154.90 58.88 1870 1955 – 1960 high-rise apartments Brownsville
Tract 1058, Blockgroup 1 56.18 25.57 1960 1962 – 1975 high-rise apartments East New York
Tract 1194, Blockgroup 3 72.93 26.16 1880 1890 – 2000 two to four flats East New York