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United States of America

Political Status: Independence declared on July 4, 1776; federal republic established under constitution adopted on March 4, 1789.

Area: 3,732,396 sq. mi. (9,666,532 sq. km); includes gross area (land and water) of the 50 states, excluding Puerto Rico and other territories. These totals are somewhat higher than earlier ones because of a 1990 change in the method of calculating interior waters.

Population: 322,487,387 (2014E—UN); 318,892,103 (2014E—U.S. Census). Does not include the U.S. Territories.

Major Urban Centers:

City Proper

Population (2012E)

Metro Area (2012E)

Washington, D.C.

632,323

5,860,342

New York, N.Y.

8,336,697

19,831,838

Los Angeles, Calif.

3,857,799

13,052,921

Chicago, Ill.

2,714,856

9,522,434

Houston, Texas

2,160,821

6,177,035

Philadelphia, Pa.

1,547,607

6,018,800

Phoenix, Ariz.

1,488,750

4,329,534

San Antonio, Texas

1,382,951

2,234,003

San Diego, Calif.

1,338,348

3,117,063

Dallas, Texas

1,241,162

6,700,991

San Jose, Calif.

982,765

1,894,388

Austin, Texas

842,592

1,834,303

Jacksonville, Fla.

836,507

1,377,850

Indianapolis, Ind.

834,852

1,928,982

San Francisco, Calif.

825,863

4,455,560

Columbus, Ohio

809,798

1,944,002

Fort Worth, Texas

777,992

2,274,380

Charlotte, N.C.

775,202

2,296,569

Detroit, Mich.

701,475

4,292,060

El Paso, Texas

672,538

830,735

Memphis, Tenn.

655,155

1,341,690

Boston, Mass.

636,479

4,640,802

Seattle, Wash.

603,535

3,552,157

Denver, Colo.

634,256

2,645,209

Nashville, Tenn.

624,496

1,726,693

Baltimore, Md.

621,342

2,753,149

Principal Language: English. In the 2010 census approximately 80.1 percent ...

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