Oklahoma, one of the states of the United States. It is bounded by Colorado, Kansas, Missouri, Arkansas, Texas, and New Mexico. The Red River forms most of its southern border. With a total area of 69,903 square miles (181,049 km2), it is the 20th largest state.

Oklahoma's shape suggests a ragged-edged meat cleaver. The long, narrow section extending westward from the northwest corner is called the Panhandle.

Oklahoma'sOklahoma's state bird is the scissor-tailed flycatcher.
Oklahoma in brief
General information
Statehood: Nov. 16, 1907, the 46th state.
State abbreviations: Okla. (traditional); OK (postal).
State capital: Oklahoma City, the capital of Oklahoma since 1910. Guthrie served as capital from 1890 to 1910.
State motto: Labor Omnia Vincit (Labor Conquers All Things).
Popular name: The Sooner State.
State song: "Oklahoma!" Words by Oscar Hammerstein II; music by Richard Rodgers.
Symbols of Oklahoma
State bird: Scissor-tailed flycatcher.
State flower: Mistletoe.
State tree: Redbud.
State flag and seal: Oklahoma's state flag, adopted in 1925, displays an Osage warrior's shield decorated with eagle feathers on a blue background. Crossing the shield are two symbols of peace—an olive branch and a peace pipe. On the state seal, adopted in 1907, an Indian and a white frontiersman shake hands before the figure of Justice to show the cooperation of the people of Oklahoma. The large star displays symbols of the Five Civilized Tribes, which moved to the region in the 1800's.
Land and climate
Area: 69,903 mi2 (181,048 km2), including 1,224 mi2 (3,171 km2) of inland water.
Elevation: Highest--Black Mesa, 4,973 ft (1,516 m) above sea level. Lowest--287 ft. (87 m) above sea level along the Little River in McCurtain County.
Record high temperature: 120 °F (49 °C) at Alva on July 18, 1936; at Altus on July 19 and Aug. 12, 1936; at Poteau on Aug. 10, 1936; and at Tishomingo on July 26, 1943.
Record low temperature: –27 °F (–33 °C) at Vinita on Feb. 13, 1905, and at Watts on Jan. 18, 1930.
Average July temperature: 82 °F (28 °C).
Average January temperature: 37 °F (3 °C).
Average yearly precipitation: 33 in (84 cm).
Population: 3,450,654.
Rank among the states: 27th.
Density: 49 per mi2 (19 per km2), U.S. average 78 per mi2 (30 per km2).
Distribution: 65 percent urban, 35 percent rural.
Largest cities in Oklahoma: Oklahoma City (506,132); Tulsa (393,049); Norman (95,694); Lawton (92,757); Broken Arrow (74,859); Edmond (68,315).
Chief products
Agriculture: beef cattle, broilers, dairy products, green house and nursery products, hay, hogs, wheat.
Manufacturing: fabricated metal products, food products, machinery, plastics and rubber products, transportation equipment.
Mining: natural gas, petroleum.
State government
Governor: 4-year term.
State senators: 48; 4-year terms.
State representatives: 101; 2-year terms.
Counties: 77.
Federal government
United States senators: 2.
United States representatives: 5.
Electoral votes: 7.
Sources of information
For information about tourism, write to: Oklahoma Tourism and Recreation Department, Travel & Tourism Division, P.O. Box 52002, Oklahoma City, OK 73152-2002. The Web site at http://www.travelok.com also provides information.
For information on the economy, write to: Oklahoma Department of Commerce, 900 N. Stiles Avenue, P.O. Box 26980, Oklahoma City, OK 73126-0980.
The state's official Web site at http://www.ok.gov also provides a gateway to much information on Oklahoma's economy, government, and history.