Philadelphia and Haikou
Comparison by area and population

Philadelphia

United States

Haikou

China

Population

1 526 006
 (2010)

1 526 006
(2010)

830 192
(2006)
830 192
 (2006)

Area

367 km2

367 km2

2 304 km2
2 304 km2

Population density

4 158.05
/km2

4 158.05/km2

360.33/km2
360.33
 /km2
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