block group Density
per acre		 Units
per acre		 Platted Decades
Built Up		 Primary Housing Type Neighborhood
Tract 5, Blockgroup 2 112.83 72.7 1816 1820 – 1900 four story apartments Brooklyn Heights
Tract 69, Blockgroup 2 75.92 35.2 1839 1840 – 1970 apartments above retail Boerum Hill
Tract 77, Blockgroup 1 64.22 35.35 1839 1840 – 1980 single family attached Gowanus
Tract 94, Blockgroup 1 119.88 37.57 1839 1900 – 1930 single family semi-detached Sunset Park
Tract 100, Blockgroup 2 160.57 47.1 1839 1900 – 1930 two to four flats Sunset Park
Tract 112, Blockgroup 4 194.80 59.48 1839 1900 – 1920 four story apartments Borough Park
Tract 139, Blockgroup 3 102.24 45.54 1839 1860 – 1870 single family attached Park Slope
Tract 145, Blockgroup 4 63.54 24.11 1839 1870 – 1900 apartments above retail Sunset Park
Tract 165, Blockgroup 2 115.57 57.5 1839 1870 – 1900 single family attached Park Slope
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 224, Blockgroup 4 97.06 28.76 1839 1890 – 1910 single family attached Borough Park
Tract 225, Blockgroup 1 28.11 11.15 1839 1870 – 1890 two to four flats Crown Heights
Tract 227, Blockgroup 1 67.28 29.24 1839 1870 – 1910 apartments above retail Bedford-Stuyvesant
Tract 229, Blockgroup 4 87.57 43.44 1839 1870 – 1890 two to four flats Bedford-Stuyvesant
Tract 237, Blockgroup 2 32.31 10.29 1839 1870 – 1910 two to four flats Bedford-Stuyvesant
Tract 238, Blockgroup 1 98.78 32.89 1880 1880 – 1920 two to four flats Borough Park
Tract 241, Blockgroup 3 37.26 17.19 1839 1900 – 2000 two to four flats Bedford-Stuyvesant
Tract 243, Blockgroup 1 95.25 43.15 1839 1870 – 1890 two to four flats Bedford-Stuyvesant
Tract 253, Blockgroup 3 25.71 11.36 1839 1860 – 1910 two to four flats Bedford-Stuyvesant
Tract 258, Blockgroup 2 106.88 38.85 1900 1900 – 1920 single family semi-detached Bensonhurst
Tract 271.01, Blockgroup 3 36.86 16.67 1839 1860 – 1890 two to four flats Bedford-Stuyvesant
Tract 277, Blockgroup 4 122.27 45.02 1839 1870 – 1960 two to four flats Bedford-Stuyvesant
Tract 284, Blockgroup 3 86.22 31.81 1880 1880 – 1910 two to four flats Bath Beach
Tract 291, Blockgroup 1 53.52 25.54 1839 1880 – 1900 two to four flats Bedford-Stuyvesant
Tract 296, Blockgroup 1 98.53 43.47 1880 1890 – 1940 two to four flats Gravesend
Tract 297, Blockgroup 3 75.46 37.75 1839 1870 – 1920 two to four flats Bedford-Stuyvesant
Tract 315, Blockgroup 2 129.75 62.04 1839 1880 – 1900 two to four flats Crown Heights
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 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 362, Blockgroup 1 156.07 53.87 1900 1920 – 1940 two to four flats Brighton Beach
Tract 377, Blockgroup 4 83.42 36.46 1839 1880 – 1910 two to four flats Bedford-Stuyvesant
Tract 392, Blockgroup 2 64.13 26.85 1900 1900 – 1940 single family detached Sheepshead Bay
Tract 393, Blockgroup 1 71.49 23.98 1839 1870 – 2000 two to four flats Bushwick
Tract 399, Blockgroup 3 94.91 43.96 1840 1870 – 2000 two to four flats Bushwick
Tract 403, Blockgroup 1 46.14 18.21 1840 1870 – 2000 two to four flats Bushwick
Tract 406, Blockgroup 2 82.98 34.47 1900 1920 – 1940 two to four flats Gravesend
Tract 419, Blockgroup 1 111.60 33.74 1840 1870 – 2000 two to four flats Bushwick
Tract 440, Blockgroup 1 51.91 22.11 1900 1920 – 1930 single family detached Midwood
Tract 447, Blockgroup 2 45.36 14.16 1840 1870 – 2000 loft conversions Bushwick
Tract 480, Blockgroup 1 82.27 31.51 1850 1870 – 1920 two to four flats Parkville
Tract 492, Blockgroup 3 79.79 31.8 1870 1920 – 1960 apartments above retail Kensington
Tract 493, Blockgroup 2 162.57 55.89 1840 1840 – 1910 apartments above retail Williamsburg
Tract 505, Blockgroup 2 105.32 37.58 1840 1840 – 1910 two to four flats Williamsburg
Tract 519, Blockgroup 1 57.40 23.96 1830 1830 – 1900 two to four flats Williamsburg
Tract 533, Blockgroup 1 185.78 41.74 1839 1860 – 1880 two to four flats Williamsburg
Tract 553, Blockgroup 2 77.12 33.85 1830 1830 – 1900 two to four flats Williamsburg
Tract 554, Blockgroup 3 78.47 28.33 1900 1900 – 1920 two to four flats Sheepshead Bay
Tract 565, Blockgroup 1 104.38 46.09 1850 1870 – 1890 apartments above retail Greenpoint
Tract 569, Blockgroup 2 37.94 17.79 1850 1860 – 1920 two to four flats Greenpoint
Tract 571, Blockgroup 2 155.85 63.1 1850 1860 – 1890 apartments above retail Greenpoint
Tract 573, Blockgroup 2 85.21 35.94 1850 1860 – 1890 two to four flats Greenpoint
Tract 579, Blockgroup 2 10.60 4.19 1850 1900 – 1950 industrial Greenpoint
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 702.01, Blockgroup 5 37.23 15.21 1940 1940 – 1950 single family detached Mill Basin
Tract 766, Blockgroup 1 114.46 38.51 1870 1900 – 1930 single family detached 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 882, Blockgroup 4 184.35 65.87 1870 1890 – 1910 two to four flats Brownsville
Tract 884, Blockgroup 1 141.67 54.69 1870 1890 – 1910 apartments above retail Brownsville
Tract 886, Blockgroup 1 119.16 44.03 1870 1890 – 1910 two to four flats Brownsville
Tract 900, Blockgroup 3 91.75 31.94 1870 1890 – 1910 two to four flats Brownsville
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 1098, Blockgroup 1 9.98 3.94 1890 1900 – 1920 industrial East New York
Tract 1142.01, Blockgroup 2 15.87 5.05 1850 1890 – 1940 single family detached Cypress Hills
Tract 1148, Blockgroup 1 45.77 14.6 1870 1880 – 1920 two to four flats Cypress Hills
Tract 1162, Blockgroup 3 61.16 20.78 1890 1890 – 1980 single family attached East New York
Tract 1184, Blockgroup 3 107.45 31.48 1870 1880 – 1920 single family attached Cypress Hills
Tract 1194, Blockgroup 3 72.93 26.16 1880 1890 – 2000 two to four flats East New York