United States

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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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