The amazing density of NYC!!!

The density of the New York City area is amazing. Consider the following populations that are located within 25 miles of the New York City border:

Population (Approx) Square Kilometers (Approx)
NYC 8M 780
Hudson Cty/NJ 610,000 162
Essex Cty/NJ 796,000 336
Union Cty/NJ 530,000 273
Bergen Cty/NJ 897,000 606
Passaic Cty, NJ 498,000 510
Nassau Cty, NY 1.3M 1,200
Westchester, NY950,00 1,300

By contrast, in London:

Greater London 7M 1,600
Kent 1.3M 3,700
Essex 1.3M 3,700
Herts 1M 1,600
Buckinghamshire 479,000 1,900
Surrey 1M 1,670


In Tokyo, the figures are:
12,527,115 (8,444,531 in 23 wards) 2,187.08 km²

Shanghai:
10 million 2700/km²

Chicago:
2,896,016 606.1 km²

Mexico City:
8,605,239 (D.F.) 1,547 km² (D.F.)

Singapore:
4,017,700 692.7 km²

Seoul, however, is dense beyond belief:
10,276,968 607 km²>