Geography Reference
In-Depth Information
Extending over nearly 600 km², the city of Chicago has an average density close to
50 inhabitants/ha, making it the third densest city in the United States, after New
York and San Francisco. Its suburbs are, however, very spread out, resulting in the
average density of the greater city being only 14 inhabitants/ha.
Wisconsin
Illinois
Indiana
0
25
50 km
Change in density
inh./km
2
Standard deviation Ellipse of
1970
-10,520
-
-500
Standard deviation Ellipse of
2000
-500
-
-50
-50
-
0
0
-
50
County
State
50
-
100
Methodology : Map created by Kernel density smoothing
of the Block Group's Population.
Quartic Function in a bandwidth of the 30 nearest
neighbours.
Calculated difference in density 1970 - 2000
100
-
300
300
- 1,000
1,000 - 3,110
Source: US Census
Designed and made by JM Zaninetti, University of Orleans, CEDETE Institute
Figure 7.3.
Urban sprawl around Chicago, 1970-2000
