Atlas of Urban Expansion

Population

The Population of New York in 2011 was 18,412,093, increasing at an average annual rate of 0.2% since 2000. The population of New York in 2000 was 17,955,548, increasing at an average annual rate of 1.1% since 1991, when its population was 16,235,289.

Urban Extent

The Urban Extent of New York in 2011 was 951,103 hectares, increasing at an average annual rate of 0.3% since 2000. The urban extent in 2000 was 922,717 hectares, increasing at an average annual rate of 3.1% since 1991, when its urban extent was 688,875 hectares.

• 1991
• 2000
• 2011

•  
• 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 New York in 2011 was 25 persons per hectare, decreasing at an average annual rate of -0.1% since 2000. The built-up area density in 2000 was 25 persons per hectare, decreasing at an average annual rate of -2.6% since 1991 when the built-up area density was 31.88 persons per hectare.

The Urban Extent Density in New York in 2011 was 19 persons per hectare, increasing at an average annual rate of 0% since 2000. The urban extent density in 2000 was 19 persons per hectare, decreasing at an average annual rate of -2% since 1991 when the urban extent density was 24 persons per hectare.

Composition of Added Area

A total of 27,020 hectares of built-up area was added to the New York urban extent between 2000 and 2011. Of that added built-up area, 51% was Infill, 23% was Extension, 10% was Leapfrog, and 16% was Inclusion. A total of 211,658 hectares of built-up area was added to the urban extent between 1991 and 2000. Of that added built-up area, 43% was Infill, 39% was Extension, 0% was Leapfrog, and 18% was Inclusion.

• 1991–2000
• 2000–2011

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

Roads

Average road width in the New York 1990-2014 expansion area was 8.88 meters, compared to 10.83 meters in its pre-1990 area.

The share of built-up area in New York occupied by roads in the 1990-2014 expansion area was 13%, compared to 20% in the pre-1990 area.

• Pre 1990
• 1990 – 2014

Arterial Roads

The density of arterial roads in New York's 1990-2014 expansion was 0.74 km/km2, compared to 1.75 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in New York's 1990-2014 expansion area was 78%, compared to 93% in the pre-1990 area.

• 1991
• 2011

Blocks and Plots

Average block size in New York's 1990-2014 expansion area was 6.7 hectares, compared to 5.1 hectares in its pre-1990 area.

• Pre 1990
• 1990 – 2014