block group Density
per acre		 Units
per acre		 Platted Decades
Built Up		 Primary Housing Type Neighborhood
Tract 146, Blockgroup 1 30.30 12.19 1900 1920 – 1950 single family detached Dyker Heights
Tract 186, Blockgroup 1 67.20 27.2 1900 1900 – 1920 single family semi-detached Bensonhurst
Tract 210, Blockgroup 1 87.55 36.61 1890 1900 – 1930 single family semi-detached Borough Park
Tract 218, Blockgroup 1 91.78 23.58 1890 1900 – 1930 apartments above retail Borough Park
Tract 226, Blockgroup 1 47.20 11.36 1890 1890 – 1930 industrial Borough Park
Tract 258, Blockgroup 2 106.88 38.85 1900 1900 – 1920 single family semi-detached Bensonhurst
Tract 274, Blockgroup 1 63.88 22.32 1900 1920 – 1940 single family detached Bensonhurst
Tract 326, Blockgroup 1 50.89 16.69 1900 1920 – 1940 apartments above retail Coney Island
Tract 326, Blockgroup 2 125.45 39.87 1900 1920 – 1940 apartments above retail Coney Island
Tract 335, Blockgroup 3 52.63 14.06 1890 1910 – 1930 single family detached Crown Heights
Tract 336, Blockgroup 2 45.53 17.19 1900 1920 – 1950 single family attached Sea Gate
Tract 342, Blockgroup 1 141.27 44.71 1900 1900 – 1920 high-rise apartments Coney Island
Tract 359, Blockgroup 1 100.42 43.13 1890 1900 – 1930 two to four flats Crown Heights
Tract 360.02, Blockgroup 2 222.02 116.8 1900 1920 – 1940 apartments above retail Brighton Beach
Tract 362, Blockgroup 1 156.07 53.87 1900 1920 – 1940 two to four flats Brighton Beach
Tract 392, Blockgroup 2 64.13 26.85 1900 1900 – 1940 single family detached Sheepshead Bay
Tract 396, Blockgroup 1 48.90 20.51 1900 1920 – 2000 single family detached Gravesend
Tract 406, Blockgroup 2 82.98 34.47 1900 1920 – 1940 two to four flats Gravesend
Tract 440, Blockgroup 1 51.91 22.11 1900 1920 – 1930 single family detached Midwood
Tract 554, Blockgroup 3 78.47 28.33 1900 1900 – 1920 two to four flats Sheepshead Bay
Tract 572, Blockgroup 1 89.64 35.57 1900 1940 – 1945 six to seven story apartments Sheepshead Bay
Tract 598, Blockgroup 1 72.12 30.18 1900 1920 – 1930 single family attached Sheepshead Bay
Tract 600, Blockgroup 3 59.90 25.49 1890 1890 – 1920 single family detached Sheepshead Bay
Tract 628, Blockgroup 3 34.60 13.08 1900 1900 – 1920 single family detached Gerritsen Beach
Tract 650, Blockgroup 1 39.91 15.35 1900 1800 – 1930 single family detached Flatlands
Tract 728, Blockgroup 1 93.91 40.7 1900 1940 – 1960 single family attached Flatlands
Tract 742, Blockgroup 1 69.25 20.24 1900 1900 – 1930 single family semi-detached Flatlands
Tract 840, Blockgroup 1 55.88 16.34 1890 1920 – 1930 single family semi-detached East Flatbush
Tract 858, Blockgroup 1 61.17 20.42 1890 1920 – 1930 single family detached East Flatbush
Tract 860, Blockgroup 3 107.23 35.7 1890 1920 – 1930 single family detached East Flatbush
Tract 862, Blockgroup 1 100.77 31.35 1890 1920 – 1930 two to four flats Rugby
Tract 874.01, Blockgroup 1 71.75 33.45 1890 1870 – 1900 high-rise apartments East Flatbush
Tract 1098, Blockgroup 1 9.98 3.94 1890 1900 – 1920 industrial East New York
Tract 1162, Blockgroup 3 61.16 20.78 1890 1890 – 1980 single family attached East New York