Atlas of Urban Expansion

Population

The Population of Zhengzhou, Henan in 2015 was 7,156,619, increasing at an average annual rate of 8.4% since 2000. The population of Zhengzhou, Henan in 2000 was 2,012,209, increasing at an average annual rate of 6% since 1992, when its population was 1,256,956.

Urban Extent

The Urban Extent of Zhengzhou, Henan in 2015 was 210,346 hectares, increasing at an average annual rate of 12.3% since 2000. The urban extent in 2000 was 32,684 hectares, increasing at an average annual rate of 7.7% since 1992, when its urban extent was 17,840 hectares.

• 1992
• 2000
• 2015

•  
• 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 Zhengzhou, Henan in 2015 was 52 persons per hectare, decreasing at an average annual rate of -2.7% since 2000. The built-up area density in 2000 was 79 persons per hectare, decreasing at an average annual rate of -2.9% since 1992 when the built-up area density was 98.65 persons per hectare.

The Urban Extent Density in Zhengzhou, Henan in 2015 was 34 persons per hectare, decreasing at an average annual rate of -3.9% since 2000. The urban extent density in 2000 was 62 persons per hectare, decreasing at an average annual rate of -1.7% since 1992 when the urban extent density was 70 persons per hectare.

Composition of Added Area

A total of 111,672 hectares of built-up area was added to the Zhengzhou, Henan urban extent between 2000 and 2015. Of that added built-up area, 6% was Infill, 51% was Extension, 1% was Leapfrog, and 43% was Inclusion. A total of 12,845 hectares of built-up area was added to the urban extent between 1992 and 2000. Of that added built-up area, 28% was Infill, 0% was Extension, 35% was Leapfrog, and 36% was Inclusion.

• 1992–2000
• 2000–2015

• Built-up Area
  1992
• Infill
• Extension
• Leapfrog
• Inclusion

Roads

Average road width in the Zhengzhou, Henan 1990-2014 expansion area was 8.5 meters, compared to 8.12 meters in its pre-1990 area.

The share of built-up area in Zhengzhou, Henan occupied by roads in the 1990-2014 expansion area was 20%, compared to 22% in the pre-1990 area.

• Pre 1990
• 1990 – 2014

Arterial Roads

The density of arterial roads in Zhengzhou, Henan's 1990-2014 expansion was 0.77 km/km2, compared to 1.98 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in Zhengzhou, Henan's 1990-2014 expansion area was 80%, compared to 98% in the pre-1990 area.

• 1992
• 2015

Blocks and Plots

Average block size in Zhengzhou, Henan's 1990-2014 expansion area was 5.7 hectares, compared to 4.1 hectares in its pre-1990 area.

• Pre 1990
• 1990 – 2014