Table 1 Population, land area and population density by urban classification for all MSAs, year-2000 MSA boundaries, 50% GHSL built-up threshold.

From: The heterogeneity and change in the urban structure of metropolitan areas in the United States, 1990–2010

Fixed Geography

1990

2000

2010

50% GHSL Threshold

Count

%

Count

%

Count

%

Population (000 s)

Total MSAs

197,372,191

 

224,637,376

 

249,794,023

 

Urban Inclusive (UI)

169,454,068

85.9%

199,462,646

88.8%

224,116,140

89.7%

   Urban Agreement

121,076,150

71.5%

147,263,592

73.8%

166,070,248

74.1%

   Urban People Only

46,671,239

27.5%

51,010,038

25.6%

57,026,153

25.4%

   Built-up Land Only

1,706,680

1.0%

1,189,017

0.6%

1,019,739

0.5%

Rural Extents (RE)

27,893,410

14.1%

25,127,387

12.6%

25,677,624

10.3%

Area (km2)

Total MSAs

1,857,315

 

1,855,901

 

1,856,519

 

Urban Inclusive (UI)

193,811

10.4%

212,114

11.4%

242,656

13.1%

   Urban Agreement

66,261

34.2%

83,795

39.5%

102,075

42.1%

   Urban People Only

120,922

62.4%

117,285

55.3%

133,251

54.9%

   Built-up Land Only

6,628

3.4%

11,033

5.2%

7,330

3.0%

Rural Extents (RE)

1,663,504

89.6%

1,642,471

88.5%

1,613,864

86.9%

Population Density (Persons/km²)

Total MSAs

106.3

 

121.0

 

134.5

 

Urban Inclusive (UI)

874

 

940.4

 

923.6

 

   Urban Agreement

1,827

 

1,757.4

 

1,626.9

 

   Urban People Only

386

 

434.9

 

428.0

 

   Built-up land Only

257

 

107.8

 

139.1

 

Rural Extents (RE)

16.8

 

15.3

 

15.9