| ニューヨークの人口推移 4区(Manhattan, Bronx, Brooklyn & Queens) |
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| 年度(10年おき) | 総人口（千人） | 増減数 | 増減率% | 1.6キロ四方 の人口密度 |
| 1800 | 76 | 31 | 68.9% | 313 |
| 1810 | 114 | 38 | 50.0% | 469 |
| 1820 | 145 | 31 | 27.2% | 597 |
| 1830 | 236 | 91 | 62.8% | 971 |
| 1840 | 379 | 143 | 60.6% | 1,560 |
| 1850 | 682 | 303 | 79.9% | 2,807 |
| 1860 | 1,150 | 468 | 68.6% | 4,733 |
| 1870 | 1,444 | 294 | 25.6% | 5,942 |
| 1880 | 1,873 | 429 | 29.7% | 7,708 |
| 1890 | 2,455 | 582 | 31.1% | 10,103 |
| 1900 | 3,371 | 916 | 37.3% | 13,872 |
| 1910 | 4,681 | 1,310 | 38.9% | 19,263 |
| 1920 | 5,503 | 822 | 17.6% | 22,646 |
| 1930 | 6,771 | 1,268 | 23.0% | 27,864 |
| 1940 | 7,280 | 509 | 7.5% | 29,959 |
| 1950（ピーク） | 7,700 | 420 | 5.8% | 31,687 |
| 1960 | 7,560 | (140) | -1.8% | 31,111 |
| 1970 | 7,600 | 40 | 0.5% | 31,276 |
| 1980 | 6,719 | (881) | -11.6% | 27,650 |
| 1990 | 6,945 | 226 | 3.4% | 28,580 |
| 2000 | 7,565 | 620 | 8.9% | 31,130 |