Atlas of Urban Expansion

Chicago
United States
Region: Land-Rich Developed Countries
2014 Population
8,913,778
2014 Urban Extent
700,838
hectares
2014 Density
13
persons/hectare
Areas and Densities
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Population

The Population of Chicago in 2014 was 8,913,778, increasing at an average annual rate of 0.4% since 2001. The population of Chicago in 2001 was 8,509,731, increasing at an average annual rate of 1.2% since 1989, when its population was 7,325,015.

Urban Extent

The Urban Extent of Chicago in 2014 was 700,838 hectares, increasing at an average annual rate of 0.8% since 2001. The urban extent in 2001 was 629,852 hectares, increasing at an average annual rate of 2.3% since 2001, when its urban extent was 477,133 hectares.

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  • Urban Extent
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  • Exurban Area
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  • Rural Open Space

Density

Built-up Area Density in Chicago in 2014 was 17 persons per hectare, decreasing at an average annual rate of -0.6% since 2001. The built-up area density in 2001 was 19 persons per hectare, decreasing at an average annual rate of -1.1% since 1989 when the built-up area density was 21.51 persons per hectare.

The Urban Extent Density in Chicago in 2014 was 13 persons per hectare, decreasing at an average annual rate of -0.5% since 2001. The urban extent density in 2001 was 14 persons per hectare, decreasing at an average annual rate of -1% since 1989 when the urban extent density was 15 persons per hectare.

Composition of Added Area

A total of 59,804 hectares of built-up area was added to the Chicago urban extent between 2001 and 2014. Of that added built-up area, 47% was Infill, 25% was Extension, 1% was Leapfrog, and 27% was Inclusion. A total of 111,489 hectares of built-up area was added to the urban extent between 1989 and 2001. Of that added built-up area, 43% was Infill, 34% was Extension, 0% was Leapfrog, and 23% was Inclusion.

Blocks and Roads
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Roads

Average road width in the Chicago 1990-2014 expansion area was 6.74 meters, compared to 0 meters in its pre-1990 area.

The share of built-up area in Chicago occupied by roads in the 1990-2014 expansion area was 26%, compared to 26% in the pre-1990 area.

Arterial Roads

The density of arterial roads in Chicago's 1990-2014 expansion was 1.41 km/km2, compared to 1.41 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in Chicago's 1990-2014 expansion area was 92%, compared to 93% in the pre-1990 area.

1989-2001  2001-2014
1989-2001  2001-2014
1989-2001  2001-2014

Blocks and Plots

Average block size in Chicago's 1990-2014 expansion area was 2.55 hectares, compared to 4.43 hectares in its pre-1990 area.

1989-2001  2001-2014