\”Oklahoma has one of the most expansive medical cannabis programs in the United States. Since voters passed State Question 788 in June 2018, the state’s medical marijuana industry has grown rapidly. Under this law, patients with a state-issued medical cannabis card can purchase, possess, and use cannabis to treat a wide range of medical conditions. The state imposes no specific list of qualifying conditions, allowing physicians to recommend cannabis for any condition they believe would benefit from treatment. Patients can legally possess up to 3 ounces of cannabis on their person and can cultivate up to six mature plants at home.
Oklahoma’s medical cannabis market has exploded, with more than 2,000 dispensaries and 9,000 licensed growers operating within the state. Recreational cannabis remains illegal, but the medical market is so widespread that many see Oklahoma’s system as a model for states considering broad access to cannabis. Advocates continue to push for recreational cannabis legalization, and several proposals have been introduced, but so far, none have been successful in making it to the ballot or through the state legislature. As public opinion continues to shift, Oklahoma is expected to remain at the forefront of cannabis reform.\”
Oklahoma | |
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Nicknames:
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| Motto(s): Labor omnia vincit (English: "Work conquers all") | |
| Anthem: "Oklahoma" and "Oklahoma Hills" | |
 Location of Oklahoma within the United States | |
| Country | United States |
| Before statehood |
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| Admitted to the Union | November 16, 1907 (46th) |
| Capital (and largest city) | Oklahoma City |
| Largest county or equivalent | Oklahoma |
| Largest metro and urban areas | Greater Oklahoma City |
| Government | |
| • Governor | Kevin Stitt (R) |
| • Lieutenant Governor | Matt Pinnell (R) |
| Legislature | Oklahoma Legislature |
| • Upper house | Senate |
| • Lower house | House of Representatives |
| Judiciary | Oklahoma Supreme Court (civil) Oklahoma Court of Criminal Appeals (criminal) |
| U.S. senators |
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| U.S. House delegation | 5 Republicans (list) |
| Area | |
• Total | 69,699 sq mi (180,519 km2) |
| • Land | 68,590 sq mi (177,660 km2) |
| • Water | 1,304 sq mi (3,378 km2) 1.9% |
| • Rank | 20th |
| Dimensions | |
| • Length | 470 mi (756 km) |
| • Width | 230 mi (370 km) |
| Elevation | 1,300 ft (400 m) |
| Highest elevation | 4,974 ft (1,516 m) |
| Lowest elevation (Little River at Arkansas border) | 289 ft (88 m) |
| Population (2025) | |
• Total |  4,123,288 |
| • Rank | 28th |
| • Density | 55/sq mi (21.3/km2) |
| • Rank | 34th |
| • Median household income | $62,100 (2023) |
| • Income rank | 43rd |
| Demonym(s) | Oklahoman; Okie (colloq., historically derogatory); Sooner (historically) |
| Language | |
| • Official language | English, Choctaw, Cherokee |
| Time zones | |
| entire state (legally) | UTC−06:00 (Central) |
| • Summer (DST) | UTC−05:00 (CDT) |
| Kenton (informally) | UTC−07:00 (Mountain) |
| • Summer (DST) | UTC−06:00 (MDT) |
| USPS abbreviation | OK |
| ISO 3166 code | US-OK |
| Traditional abbreviation | Okla. |
| Latitude | 33°37' N to 37° N |
| Longitude | 94° 26' W to 103° W (35°N 98°W / 35°N 98°W) |
| Website | oklahoma |
| List of state symbols | |
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| Living insignia | |
| Amphibian | Bullfrog |
| Bird | Scissor-tailed Flycatcher |
| Fish | Sand bass |
| Flower |
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| Grass | Indian Grass |
| Insect | European honey bee |
| Mammal | American bison |
| Reptile | Mountain Boomer |
| Tree | Redbud |
| Inanimate insignia | |
| Beverage | Milk |
| Color(s) | Green and white |
| Dance | Waltz: "Oklahoma Wind" |
| Dinosaur | Acrocanthosaurus atokensis |
| Folk dance | Square dance |
| Fossil | Saurophaganax maximus |
| Instrument | Drum |
| Rock | Rose Rock |
| Soil | Port Silt Loam |
| Tartan | Oklahoma Tartan |
| State route marker | |
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| State quarter | |
 Released in 2008, as part of the state quarters series. Oklahoma's state bird flying above its state wildflower. | |
| Lists of United States state symbols | |
Oklahoma (/ˌoʊkləˈhoʊmə/ ⓘ OH-klə-HOH-mə; Choctaw: Oklahumma, pronounced [oklahómma]) is a landlocked state in the South Central and Southwestern regions of the United States. It borders Texas to the southwest, Kansas to the north, Missouri to the northeast, Arkansas to the southeast, New Mexico to the west, and Colorado to the northwest. Partially in the western extreme of the Upland South, it is the 20th-most extensive and the 28th-most populous of the 50 United States. Its residents are known as Oklahomans, and its capital and largest city is Oklahoma City.
The state's name is derived from the Choctaw words okla, 'people' and humma, which translates as 'red'. Oklahoma is also known informally by its nickname, "The Sooner State", in reference to the Sooners, American settlers who staked their claims in formerly American Indian-owned lands until the Indian Appropriations Act of 1889 authorized the Land Rush of 1889 opening the land to settlement.
With ancient mountain ranges, prairie, mesas, and eastern forests, most of Oklahoma lies in the Great Plains, Cross Timbers, and the U.S. Interior Highlands, all regions prone to severe weather. Oklahoma is at a confluence of three major American cultural regions. Historically, it served as a government-sanctioned territory for American Indians moved from east of the Mississippi River, a route for cattle drives from Texas and related regions, and a destination for Southern settlers. There are currently 25 Indigenous languages spoken in Oklahoma. According to the 2020 U.S. census, 14.2 percent of Oklahomans identify as American Indians, the highest Indigenous population by percentage in any state.
A major producer of natural gas, oil, and agricultural products, Oklahoma relies on an economic base of aviation, energy, telecommunications, and biotechnology. Oklahoma City and Tulsa serve as Oklahoma's primary economic anchors, with nearly two-thirds of Oklahomans living within their metropolitan statistical areas.