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: 327,930,000 (2018E—World Bank); 329,256,465 (2018E—U.S. Census). Does not include the U.S. Territories.

    Major Urban Centers:

    City Proper

    Population (2017E)

    Metro Area (2017E)

    WASHINGTON, D.C.

    693,072

    6,133,552

    New York, N.Y.

    8,622,698

    20,320,876

    Los Angeles, Calif.

    3,999,759

    13,353,907

    Chicago, Ill.

    2,716,450

    9,533,040

    Houston, Texas

    2,312,717

    6,892,427

    Phoenix, Ariz.

    1,626,078

    4,737,270

    Philadelphia, Pa.

    1,580,863

    6,096,120

    San Antonio, Texas

    1,511,946

    2,473,974

    San Diego, Calif.

    1,419,516

    3,337,685

    Dallas, Texas

    1,341,075

    4,911,124

    San Jose, Calif.

    1,035,317

    1,998,463

    Austin, Texas

    950,715

    2,115,827

    Jacksonville, Fla.

    892,062

    1,504,980

    San Francisco, Calif.

    884,363

    4,727,357

    Columbus, Ohio

    879,170

    2,078,725

    Fort Worth, Texas

    874,168

    2,525,305

    Indianapolis, Ind.

    863,002

    2,028,614

    Charlotte, N.C.

    859,035

    2,525,305

    Seattle, Wash.

    724,745

    3,867,046

    Denver, Colo.

    704,621

    2,888,247

    Boston, Mass.

    685,094

    4,836,531

    El Paso, Texas

    683,577

    844,818

    Detroit, Mich.

    673,104

    4,313,002

    Nashville, Tenn.

    667,560

    1,903,045

    Memphis, Tenn.

    652,236

    1,348,260

    Portland, Ore.

    647,805

    2,453,168

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

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