| Immigrants landed at Castle Garden in 20 years, ending with 1889 | 5,335,396 |
| Immigrants landed at Castle Garden in 1889 | 349,233 |
| Immigrants from England landed at Castle Garden in 1889 | 46,214 |
| Immigrants from Scotland landed at Castle Garden in 1889 | 11,415 |
| Immigrants from Ireland landed at Castle Garden in 1889 | 43,090 |
| Immigrants from Germany landed at Castle Garden in 1889 | 75,458 |
| 1883. | 1884. | 1885. | 1886. | 1887. | 1888. | 1889. | |
| Italy | 25,485 | 14,076 | 16,033 | 29,312 | 44,274 | 43,927 | 28,810 |
| Russia Poland | 7,577 | 12,432 | 16,578 | 23,987 | 33,203 | 33,052 | 31,329 |
| Hungary | 13,160 | 15,797 | 11,129 | 18,135 | 17,719 | 12,905 | 15,678 |
| Bohemia | 4,877 | 7,093 | 6,697 | 4,222 | 6,449 | 3,982 | 5,412 |
Tenements.
| Number of tenements in New York, December 1, 1888 | 32,390 |
| Number built from June 1, 1888, to August 1, 1890 | 3,733 |
| Rear tenements in existence, August 1, 1890 | 2,630 |
| Total number of tenements, August 1, 1890 | 37,316 |
| Estimated population of tenements, August 1, 1890 | 1,250,000 |
| Estimated number of children under five years in tenements, 1890 | 163,712 |
Corner tenements may cover all of the lot, except 4 feet at the rear. Tenements in the block may only cover seventy-eight per cent. of the lot. They must have a rear yard 10 feet wide, and air-shafts or open courts equal to twelve per cent. of the lot.
Tenements or apartment houses must not be built over 70 feet high in streets 60 feet wide.
Tenements or apartment houses must not be built over 80 feet high in streets wider than 60 feet.
Footnotes
[1] Tweed was born and bred in a Fourth Ward tenement.