block group Density
per acre
Units
per acre
Platted Decades
Built Up
Primary Housing Type Neighborhood
tract 3.01, blockgroup 1217.7894.3218101820 — 1890five story apartmentsBrooklyn Heights
tract 5, blockgroup 2112.8372.718161820 — 1900four story apartmentsBrooklyn Heights
tract 25, blockgroup 187.6132.2818301940 — 1945five story apartmentsDowntown Brooklyn
tract 69, blockgroup 275.9235.218391840 — 1970apartments above retailBoerum Hill
tract 75, blockgroup 345.9821.5218391840 — 1880single family attachedGowanus
tract 77, blockgroup 164.2235.3518391840 — 1980single family attachedGowanus
tract 94, blockgroup 1119.8837.5718391900 — 1930single family semi-detachedSunset Park
tract 100, blockgroup 2160.5747.118391900 — 1930two to four flatsSunset Park
tract 112, blockgroup 4194.8059.4818391900 — 1920four story apartmentsBorough Park
tract 134, blockgroup 380.8135.8718801890 — 1910single family attachedBay Ridge
tract 139, blockgroup 3102.2445.5418391860 — 1870single family attachedPark Slope
tract 145, blockgroup 463.5424.1118391870 — 1900apartments above retailSunset Park
tract 146, blockgroup 130.3012.1919001920 — 1950single family detachedDyker Heights
tract 153, blockgroup 293.6646.1518391860 — 1880single family attachedPark Slope
tract 162, blockgroup 262.4635.518801870 — 1950single family attachedBay Ridge
tract 165, blockgroup 2115.5757.518391870 — 1900single family attachedPark Slope
tract 171, blockgroup 351.7223.8518701900 — 1950single family attachedWindsor Terrace
tract 177, blockgroup 10.01018651865 — 1873institutional or recreationalProspect Park
tract 181, blockgroup 163.7932.718391860 — 1890single family attachedFort Greene
tract 185.01, blockgroup 1180.5762.9518391870 — 1944five story apartmentsFort Greene
tract 186, blockgroup 167.2027.219001900 — 1920single family semi-detachedBensonhurst
tract 210, blockgroup 187.5536.6118901900 — 1930single family semi-detachedBorough Park
tract 213, blockgroup 2160.5333.3918601900 — 1950five story apartmentsCrown Heights
tract 218, blockgroup 191.7823.5818901900 — 1930apartments above retailBorough Park
tract 224, blockgroup 497.0628.7618391890 — 1910single family attachedBorough Park
tract 225, blockgroup 128.1111.1518391870 — 1890two to four flatsCrown Heights
tract 226, blockgroup 147.2011.3618901890 — 1930industrialBorough Park
tract 227, blockgroup 167.2829.2418391870 — 1910apartments above retailBedford-Stuyvesant
tract 229, blockgroup 487.5743.4418391870 — 1890two to four flatsBedford-Stuyvesant
tract 237, blockgroup 232.3110.2918391870 — 1910two to four flatsBedford-Stuyvesant
tract 238, blockgroup 198.7832.8918801880 — 1920two to four flatsBorough Park
tract 241, blockgroup 337.2617.1918391900 — 2000two to four flatsBedford-Stuyvesant
tract 243, blockgroup 195.2543.1518391870 — 1890two to four flatsBedford-Stuyvesant
tract 253, blockgroup 325.7111.3618391860 — 1910two to four flatsBedford-Stuyvesant
tract 258, blockgroup 2106.8838.8519001900 — 1920single family semi-detachedBensonhurst
tract 271.01, blockgroup 336.8616.6718391860 — 1890two to four flatsBedford-Stuyvesant
tract 274, blockgroup 163.8822.3219001920 — 1940single family detachedBensonhurst
tract 277, blockgroup 4122.2745.0218391870 — 1960two to four flatsBedford-Stuyvesant
tract 284, blockgroup 386.2231.8118801880 — 1910two to four flatsBath Beach
tract 291, blockgroup 153.5225.5418391880 — 1900two to four flatsBedford-Stuyvesant
tract 296, blockgroup 198.5343.4718801890 — 1940two to four flatsGravesend
tract 297, blockgroup 375.4637.7518391870 — 1920two to four flatsBedford-Stuyvesant
tract 315, blockgroup 2129.7562.0418391880 — 1900two to four flatsCrown Heights
tract 326, blockgroup 150.8916.6919001920 — 1940apartments above retailConey Island
tract 326, blockgroup 2125.4539.8719001920 — 1940apartments above retailConey Island
tract 335, blockgroup 352.6314.0618901910 — 1930single family detachedCrown Heights
tract 336, blockgroup 245.5317.1919001920 — 1950single family attachedSea Gate
tract 342, blockgroup 1141.2744.7119001900 — 1920high-rise apartmentsConey Island
tract 359, blockgroup 1100.4243.1318901900 — 1930two to four flatsCrown Heights
tract 360.02, blockgroup 2222.02116.819001920 — 1940apartments above retailBrighton Beach
tract 362, blockgroup 1156.0753.8719001920 — 1940two to four flatsBrighton Beach
tract 377, blockgroup 483.4236.4618391880 — 1910two to four flatsBedford-Stuyvesant
tract 392, blockgroup 264.1326.8519001900 — 1940single family detachedSheepshead Bay
tract 393, blockgroup 171.4923.9818391870 — 2000two to four flatsBushwick
tract 396, blockgroup 148.9020.5119001920 — 2000single family detachedGravesend
tract 399, blockgroup 394.9143.9618401870 — 2000two to four flatsBushwick
tract 403, blockgroup 146.1418.2118401870 — 2000two to four flatsBushwick
tract 406, blockgroup 282.9834.4719001920 — 1940two to four flatsGravesend
tract 419, blockgroup 1111.6033.7418401870 — 2000two to four flatsBushwick
tract 435, blockgroup 1106.7227.4818401870 — 2000apartments above retailBushwick
tract 440, blockgroup 151.9122.1119001920 — 1930single family detachedMidwood
tract 447, blockgroup 245.3614.1618401870 — 2000loft conversionsBushwick
tract 480, blockgroup 182.2731.5118501870 — 1920two to four flatsParkville
tract 492, blockgroup 379.7931.818701920 — 1960apartments above retailKensington
tract 493, blockgroup 2162.5755.8918401840 — 1910apartments above retailWilliamsburg
tract 505, blockgroup 2105.3237.5818401840 — 1910two to four flatsWilliamsburg
tract 508, blockgroup 4341.80108.8518701880 — 1930four story apartmentsFlatbush
tract 519, blockgroup 157.4023.9618301830 — 1900two to four flatsWilliamsburg
tract 533, blockgroup 1185.7841.7418391860 — 1880two to four flatsWilliamsburg
tract 539, blockgroup 2200.6047.218391970 — 1975five story apartmentsWilliamsburg
tract 553, blockgroup 277.1233.8518301830 — 1900two to four flatsWilliamsburg
tract 554, blockgroup 378.4728.3319001900 — 1920two to four flatsSheepshead Bay
tract 562, blockgroup 237.1711.9519101920 — 1940single family detachedMadison
tract 565, blockgroup 1104.3846.0918501870 — 1890apartments above retailGreenpoint
tract 569, blockgroup 237.9417.7918501860 — 1920two to four flatsGreenpoint
tract 571, blockgroup 2155.8563.118501860 — 1890apartments above retailGreenpoint
tract 572, blockgroup 189.6435.5719001940 — 1945six to seven story apartmentsSheepshead Bay
tract 573, blockgroup 285.2135.9418501860 — 1890two to four flatsGreenpoint
tract 579, blockgroup 210.604.1918501900 — 1950industrialGreenpoint
tract 598, blockgroup 172.1230.1819001920 — 1930single family attachedSheepshead Bay
tract 600, blockgroup 359.9025.4918901890 — 1920single family detachedSheepshead Bay
tract 612, blockgroup 125.5310.7219081910 — 1940single family detachedManhattan Beach
tract 628, blockgroup 334.6013.0819001900 — 1920single family detachedGerritsen Beach
tract 650, blockgroup 139.9115.3519001800 — 1930single family detachedFlatlands
tract 656, blockgroup 252.5717.5619201920 — 1940single family attachedMarine Park
tract 702.01, blockgroup 537.2315.2119401940 — 1950single family detachedMill Basin
tract 728, blockgroup 193.9140.719001940 — 1960single family attachedFlatlands
tract 742, blockgroup 169.2520.2419001900 — 1930single family semi-detachedFlatlands
tract 766, blockgroup 1114.4638.5118701900 — 1930single family detachedFlatbush
tract 804, blockgroup 2121.5549.7918601880 — 1910five story apartmentsProspect-Lefferts Gardens
tract 836, blockgroup 240.9014.1918701900 — 1920single family semi-detachedEast Flatbush
tract 840, blockgroup 155.8816.3418901920 — 1930single family semi-detachedEast Flatbush
tract 858, blockgroup 161.1720.4218901920 — 1930single family detachedEast Flatbush
tract 860, blockgroup 3107.2335.718901920 — 1930single family detachedEast Flatbush
tract 862, blockgroup 1100.7731.3518901920 — 1930two to four flatsRugby
tract 874.01, blockgroup 171.7533.4518901870 — 1900high-rise apartmentsEast Flatbush
tract 882, blockgroup 4184.3565.8718701890 — 1910two to four flatsBrownsville
tract 884, blockgroup 1141.6754.6918701890 — 1910apartments above retailBrownsville
tract 886, blockgroup 1119.1644.0318701890 — 1910two to four flatsBrownsville
tract 900, blockgroup 391.7531.9418701890 — 1910two to four flatsBrownsville
tract 908, blockgroup 3154.9058.8818701955 — 1960high-rise apartmentsBrownsville
tract 942, blockgroup 119.877.2519301652 — 1955single family attachedEast Flatbush
tract 984, blockgroup 171.9123.5418801950 — 1955single family attachedCanarsie
tract 988, blockgroup 292.0030.0318801870 — 1950single family attachedCanarsie
tract 992, blockgroup 152.6418.3518801860 — 1920single family detachedCanarsie
tract 1058, blockgroup 156.1825.5719601962 — 1975high-rise apartmentsEast New York
tract 1098, blockgroup 19.983.9418901900 — 1920industrialEast New York
tract 1142.01, blockgroup 215.875.0518501890 — 1940single family detachedCypress Hills
tract 1148, blockgroup 145.7714.618701880 — 1920two to four flatsCypress Hills
tract 1162, blockgroup 361.1620.7818901890 — 1980single family attachedEast New York
tract 1184, blockgroup 3107.4531.4818701880 — 1920single family attachedCypress Hills
tract 1194, blockgroup 372.9326.1618801890 — 2000two to four flatsEast New York