Atlas of Urban Expansion

San Salvador
El Salvador
Region: Latin America and the Caribbean
2014 Population
1,693,748
2014 Urban Extent
23,859
hectares
2014 Density
71
persons/hectare
Areas and Densities
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Population

The Population of San Salvador in 2014 was 1,693,748, increasing at an average annual rate of 1.9% since 1999. The population of San Salvador in 1999 was 1,293,520, increasing at an average annual rate of 0.5% since 1991, when its population was 1,242,224.

Urban Extent

The Urban Extent of San Salvador in 2014 was 23,859 hectares, increasing at an average annual rate of 3.2% since 1999. The urban extent in 1999 was 15,093 hectares, increasing at an average annual rate of 2.2% since 1999, when its urban extent was 12,529 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 San Salvador in 2014 was 100 persons per hectare, decreasing at an average annual rate of -1.4% since 1999. The built-up area density in 1999 was 123 persons per hectare, decreasing at an average annual rate of -2.4% since 1991 when the built-up area density was 151.19 persons per hectare.

The Urban Extent Density in San Salvador in 2014 was 71 persons per hectare, decreasing at an average annual rate of -1.3% since 1999. The urban extent density in 1999 was 86 persons per hectare, decreasing at an average annual rate of -1.7% since 1991 when the urban extent density was 99 persons per hectare.

Composition of Added Area

A total of 6,387 hectares of built-up area was added to the San Salvador urban extent between 1999 and 2014. Of that added built-up area, 36% was Infill, 29% was Extension, 0% was Leapfrog, and 35% was Inclusion. A total of 2,284 hectares of built-up area was added to the urban extent between 1991 and 1999. Of that added built-up area, 47% was Infill, 39% was Extension, 0% was Leapfrog, and 14% was Inclusion.

Blocks and Roads
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Roads

Average road width in the San Salvador 1990-2014 expansion area was 8.12 meters, compared to 0 meters in its pre-1990 area.

The share of built-up area in San Salvador occupied by roads in the 1990-2014 expansion area was 21%, compared to 21% in the pre-1990 area.

Arterial Roads

The density of arterial roads in San Salvador's 1990-2014 expansion was 2.02 km/km2, compared to 2.84 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in San Salvador's 1990-2014 expansion area was 93%, compared to 96% in the pre-1990 area.

1991-1999  1999-2014
1991-1999  1999-2014
1991-1999  1999-2014

Blocks and Plots

Average block size in San Salvador's 1990-2014 expansion area was 4.66 hectares, compared to 5.32 hectares in its pre-1990 area.

1991-1999  1999-2014