Atlas of Urban Expansion

Population

The Population of Gorgan in 2014 was 375,741, increasing at an average annual rate of 3.6% since 2000. The population of Gorgan in 2000 was 227,778, increasing at an average annual rate of 5.1% since 1991, when its population was 142,123.

Urban Extent

The Urban Extent of Gorgan in 2014 was 4,523 hectares, increasing at an average annual rate of 1.9% since 2000. The urban extent in 2000 was 3,480 hectares, increasing at an average annual rate of 2.9% since 1991, when its urban extent was 2,660 hectares.

• 1991
• 2000
• 2014

•  
• Urban Extent
• Urban Built-up
• Suburban Built-up
• Rural Built-up
• Urbanized Open Space
•  
• Exurban Area
• Exurban Built-Up Area
• Exurban Open Space
•  
• Rural Open Space
• Rural Open Space

Density

Built-up Area Density in Gorgan in 2014 was 116 persons per hectare, increasing at an average annual rate of 1.8% since 2000. The built-up area density in 2000 was 90 persons per hectare, increasing at an average annual rate of 1.3% since 1991 when the built-up area density was 79.96 persons per hectare.

The Urban Extent Density in Gorgan in 2014 was 83 persons per hectare, increasing at an average annual rate of 1.7% since 2000. The urban extent density in 2000 was 65 persons per hectare, increasing at an average annual rate of 2.2% since 1991 when the urban extent density was 53 persons per hectare.

Composition of Added Area

A total of 711 hectares of built-up area was added to the Gorgan urban extent between 2000 and 2014. Of that added built-up area, 32% was Infill, 43% was Extension, 1% was Leapfrog, and 24% was Inclusion. A total of 745 hectares of built-up area was added to the urban extent between 1991 and 2000. Of that added built-up area, 39% was Infill, 42% was Extension, 0% was Leapfrog, and 19% was Inclusion.

• 1991–2000
• 2000–2014

• Built-up Area
  1991
• Infill
• Extension
• Leapfrog
• Inclusion

Roads

Average road width in the Gorgan 1990-2014 expansion area was 8.63 meters, compared to 8.57 meters in its pre-1990 area.

The share of built-up area in Gorgan occupied by roads in the 1990-2014 expansion area was 24%, compared to 23% in the pre-1990 area.

• Pre 1990
• 1990 – 2014

Arterial Roads

The density of arterial roads in Gorgan's 1990-2014 expansion was 1.5 km/km2, compared to 1.9 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in Gorgan's 1990-2014 expansion area was 93%, compared to 99% in the pre-1990 area.

• 1991
• 2014

Blocks and Plots

Average block size in Gorgan's 1990-2014 expansion area was 7 hectares, compared to 2.1 hectares in its pre-1990 area.

• Pre 1990
• 1990 – 2014