block group Density
per acre		 Units
per acre		 Platted Decades
Built Up		 Primary Housing Type Neighborhood
Tract 94, Blockgroup 1 119.88 37.57 1839 1900 – 1930 single family semi-detached Sunset Park
Tract 112, Blockgroup 4 194.80 59.48 1839 1900 – 1920 four story apartments Borough Park
Tract 146, Blockgroup 1 30.30 12.19 1900 1920 – 1950 single family detached Dyker Heights
Tract 171, Blockgroup 3 51.72 23.85 1870 1900 – 1950 single family attached Windsor Terrace
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 258, Blockgroup 2 106.88 38.85 1900 1900 – 1920 single family semi-detached Bensonhurst
Tract 296, Blockgroup 1 98.53 43.47 1880 1890 – 1940 two to four flats Gravesend
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 440, Blockgroup 1 51.91 22.11 1900 1920 – 1930 single family detached Midwood
Tract 562, Blockgroup 2 37.17 11.95 1910 1920 – 1940 single family detached Madison
Tract 650, Blockgroup 1 39.91 15.35 1900 1800 – 1930 single family detached Flatlands
Tract 656, Blockgroup 2 52.57 17.56 1920 1920 – 1940 single family attached Marine Park
Tract 702.01, Blockgroup 5 37.23 15.21 1940 1940 – 1950 single family detached Mill Basin
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 836, Blockgroup 2 40.90 14.19 1870 1900 – 1920 single family semi-detached East Flatbush
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 862, Blockgroup 1 100.77 31.35 1890 1920 – 1930 two to four flats Rugby
Tract 984, Blockgroup 1 71.91 23.54 1880 1950 – 1955 single family attached Canarsie
Tract 992, Blockgroup 1 52.64 18.35 1880 1860 – 1920 single family detached Canarsie
Tract 1194, Blockgroup 3 72.93 26.16 1880 1890 – 2000 two to four flats East New York