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United States
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: 327,859,492 (2012E—UN); 313,847,465 (2012E—U.S. Census). Does not include the U.S. Territories.
Major Urban Centers (2008E):
City Proper | Population | Metro Area |
WASHINGTON, D.C. | 591,000 | 5,353,000 |
New York, N.Y. | 8,299,000 | 18,819,000 |
Los Angeles, Calif. | 3,849,000 | 12,885,000 |
Chicago, Ill. | 2,845,000 | 9,592,000 |
Houston, Texas | 2,244,000 | 5,751,000 |
Phoenix, Ariz. | 1,588,000 | 4,315,000 |
Philadelphia, Pa. | 1,528,000 | 5,845,000 |
San Antonio, Texas | 1,363,000 | 2,047,000 |
San Diego, Calif. | 1,275,000 | 3,002,000 |
Dallas, Texas | 1,252,000 | 6,311,000 |
Detroit, Mich. | 915,000 | 4,441,000 |
Jacksonville, Fla. | 813,000 | 1,323,000 |
Indianapolis, Ind. | 798,000 | 1,720,000 |
Columbus, Ohio | 753,000 | 1,773,000 |
San Francisco, Calif. | 774,000 | 4,244,000 |
Memphis, Tenn. | 671,000 | 1,290,000 |
Baltimore, Md. | 633,000 | 2,673,000 |
Seattle, Wash. | 603,000 | 3,357,000 |
Boston, Mass. | 602,000 | 4,500,000 |
Milwaukee, Wisc. | 601,000 | 1,547,000 |
Denver, Colo. | 600,000 | 2,519,000 |
Kansas City, Mo. | 453,000 | 2,008,000 |
Cleveland, Ohio | 433,000 | 2,087,000 |
St. Louis, Mo. | 348,000 | 2,814,000 |
Pittsburgh, Pa. | 308,000 | 2,329,000 |
New Orleans, La. | 272,000 | 1,072,000 |
Principal Language: English. ...