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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: 330,005,000 (2020E—World Bank); 332,639,102 (2020E—U.S. Census). Does not include the U.S. Territories.

Major Urban Centers:

City Proper

Population (2019E)

Metro Area (2019E)

WASHINGTON, D.C.

692,145

6,280,657

New York, N.Y.

8,336,817

19,216,186

Los Angeles, Calif.

3,979,576

13,214,549

Chicago, Ill.

2,693,976

9,458,454

Houston, Texas

2,320,268

7,066,149

Phoenix, Ariz.

1,680,992

4,948,200

Philadelphia, Pa.

1,584,064

6,102,436

San Antonio, Texas

1,547,253

2,523,876

San Diego, Calif.

1,423,851

3,433,763

Dallas, Texas

1,343,753

7,573,148

Principal Language: English. In the 2010 census approximately 80.1 percent spoke only English; 12.2 percent Spanish; 7.7 percent other.

Monetary Unit: Dollar (selected market rates September 30, 2020: $1US = ...

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