Population of Manhattan by year, interestingly, population peaked in 1910
Year Inhabitants
1698 4,937
1703 4,375
1712 5,840
1723 7,248
1731 8,622
1737 10,664
1746 11,717
1749 13,294
1756 13,046
1771 21,863
1790 33,131
1800 60,489
1810 96,373
1820 123,706
1830 202,589
1840 312,710
1850 515,547
1860 813,669
1870 942,292
1880 1,164,673
1890 1,441,216
1900 1,850,093
1910 2,331,542
1920 2,284,103
1930 1,867,312
1940 1,889,924
1950 1,960,101
1960 1,698,281
1970 1,539,233
1980 1,428,285
1990 1,487,536
2000 1,537,195
2010 1,585,873


