Oklahoma became a state in 1907 after being designated as Indian Territory for much of the 19th century. It has 77 counties.
10 Largest Counties in Oklahoma
1. Oklahoma County
County Facts
- Population: Approximately 800,000
- Area Codes: 405
- Zip Codes: 73101-73199
- County Seat: Oklahoma City
Geography and History
Oklahoma County is located in central Oklahoma and is part of the Oklahoma City metropolitan area. The county features a mix of urban and suburban landscapes, with significant portions of flat plains and rolling terrain. It was established in 1890 during the Land Run of 1889 and has grown rapidly due to its economic opportunities and cultural amenities. The county’s history is deeply tied to the development of Oklahoma City, which serves as the state capital and a major commercial center. Early settlers were attracted to the area due to its fertile lands and strategic location. The county has seen significant growth in various sectors, including energy, technology, and government.
Colleges and Universities
- University of Oklahoma (OU): A major public research university offering a wide range of undergraduate and graduate programs, with strengths in business, engineering, and health sciences.
- Oklahoma City Community College (OCCC): Provides associate degrees and vocational training, focusing on fields such as healthcare, technology, and the arts.
- Oklahoma State University-Oklahoma City (OSU-OKC): Offers associate degrees and technical certifications, with programs in agriculture, business, and applied technology.
Major Landmarks
Oklahoma County is home to several prominent landmarks. The Oklahoma City National Memorial & Museum commemorates the victims of the 1995 Oklahoma City bombing and provides a moving tribute to the resilience of the community. The Myriad Botanical Gardens offers a lush urban oasis in downtown Oklahoma City, featuring a tropical conservatory and outdoor gardens. The Oklahoma City Zoo is a major attraction with diverse animal exhibits and educational programs. Additionally, the State Capitol building, with its distinctive dome, is a key landmark, reflecting the county’s role as the state’s political and administrative center. The vibrant Bricktown Entertainment District adds to the county’s cultural and recreational appeal.
2. Tulsa County
County Facts
- Population: Approximately 650,000
- Area Codes: 918
- Zip Codes: 74101-74199
- County Seat: Tulsa
Geography and History
Tulsa County is situated in northeastern Oklahoma and includes a mix of urban and rural areas. The county features a diverse landscape of prairies, forests, and river valleys, with the Arkansas River running through Tulsa. Established in 1907, Tulsa County has a rich history tied to the oil boom of the early 20th century, which spurred rapid economic and population growth. Tulsa, the county seat, emerged as a major center for the oil industry and has developed into a cultural and economic hub with a vibrant arts scene. The county’s history includes Native American heritage, early settler agriculture, and significant contributions to the state’s economic development.
Colleges and Universities
- University of Tulsa (TU): A private research university offering a range of undergraduate and graduate programs, with strengths in law, business, and engineering.
- Tulsa Community College (TCC): Provides associate degrees and vocational training, focusing on fields such as healthcare, technology, and the arts.
- Rogers State University (RSU): Located in Claremore, RSU offers undergraduate programs with a focus on liberal arts, business, and technology.
Major Landmarks
Tulsa County boasts several notable landmarks. The Philbrook Museum of Art, housed in a historic Italianate villa, features a diverse collection of art and beautiful gardens. The Tulsa Zoo is a major attraction with a wide range of animal exhibits and conservation programs. The Tulsa Performing Arts Center hosts a variety of cultural events, including Broadway shows, concerts, and ballet. Additionally, the Golden Driller statue, located at the Tulsa State Fairgrounds, celebrates the county’s oil heritage and is an iconic symbol of the region. The Gathering Place, a large urban park along the Arkansas River, offers recreational facilities, playgrounds, and scenic walking trails.
3. Cleveland County
County Facts
- Population: Approximately 300,000
- Area Codes: 405
- Zip Codes: 73004-73072
- County Seat: Norman
Geography and History
Cleveland County is located in central Oklahoma, just south of Oklahoma City. The county features a varied landscape of rolling plains, prairie, and river valleys, with the Canadian River marking its southern boundary. Established in 1890, Cleveland County was named after President Grover Cleveland and has grown rapidly due to its proximity to Oklahoma City. Norman, the county seat, is home to the University of Oklahoma and has developed into a major educational and cultural center. The county’s history includes early Native American settlements, pioneer agriculture, and significant educational and economic development.
Colleges and Universities
- University of Oklahoma (OU): The primary institution in Norman, offering a wide range of undergraduate, graduate, and professional programs, with notable strengths in research and academic excellence.
- Norman Regional Health System: Offers educational opportunities in healthcare and allied health professions, in collaboration with various educational institutions.
Major Landmarks
Cleveland County features several key landmarks. The University of Oklahoma campus is home to the Sam Noble Oklahoma Museum of Natural History, which offers exhibits on the region’s natural heritage. The Norman Regional Health System provides medical services and community health initiatives. The county also boasts the Historic Campus Corner District, a vibrant area with shops, restaurants, and cultural events. The annual Norman Music Festival highlights the local music scene and draws visitors from across the state. Additionally, the county’s scenic landscapes and proximity to Oklahoma City offer a blend of urban and natural attractions.
4. Canadian County
County Facts
- Population: Approximately 150,000
- Area Codes: 405
- Zip Codes: 73007-73099
- County Seat: El Reno
Geography and History
Canadian County is located in central Oklahoma, west of Oklahoma City. The county features a mix of flat plains and rolling terrain, with the Canadian River running through its northern part. Established in 1890, the county was named after the Canadian River, which was itself named by early explorers. The area’s history includes Native American presence, early pioneer settlement, and agricultural development. El Reno, the county seat, is known for its historic downtown area and cultural heritage. The county has experienced growth due to its proximity to Oklahoma City and its role in regional agriculture and commerce.
Colleges and Universities
- None within the county: Residents typically attend institutions in nearby Oklahoma City or other regions, such as the University of Oklahoma (OU) or Oklahoma State University (OSU).
- Nearby institutions: Residents often utilize community colleges and technical schools in neighboring areas for vocational and associate degree programs.
Major Landmarks
Canadian County features several notable landmarks. The historic El Reno Downtown area includes various preserved buildings and local businesses reflecting the county’s heritage. The Canadian County Historical Museum provides exhibits on local history and culture. The county is also home to the historic Fort Reno, which offers insights into the region’s military and frontier history. The annual El Reno Fried Onion Burger Day is a local event celebrating the county’s unique culinary tradition. Additionally, the scenic landscapes and agricultural heritage contribute to the county’s charm and appeal.
5. Comanche County
County Facts
- Population: Approximately 120,000
- Area Codes: 580
- Zip Codes: 73501-73567
- County Seat: Lawton
Geography and History
Comanche County is located in southwestern Oklahoma and features a diverse landscape of rolling plains, hills, and river valleys. The county is named after the Comanche Tribe, reflecting the area’s Native American heritage. Established in 1901, the county has a history of military, agricultural, and economic development. Lawton, the county seat, is known for its role as a military hub due to the presence of Fort Sill, which has significantly influenced the local economy and culture. The county’s history includes early settler agriculture, military expansion, and significant contributions to the region’s development.
Colleges and Universities
- Cameron University: A public university in Lawton offering a range of undergraduate and graduate programs, with strengths in business, education, and the liberal arts.
- Great Plains Technology Center: Provides vocational and technical training in various fields, including healthcare, information technology, and industrial trades.
Major Landmarks
Comanche County is home to several significant landmarks. Fort Sill, a major U.S. Army installation, offers historical tours and exhibits related to its military history. The Wichita Mountains Wildlife Refuge provides opportunities for outdoor recreation, including hiking, wildlife viewing, and scenic drives. The Museum of the Great Plains in Lawton offers exhibits on regional history, culture, and natural heritage. Additionally, the county hosts the annual Lawton Ranger Rodeo, celebrating the area’s cowboy heritage and agricultural traditions. The combination of military history, natural beauty, and local events contributes to the county’s appeal.
6. Pottawatomie County
County Facts
- Population: Approximately 75,000
- Area Codes: 405
- Zip Codes: 74801-74885
- County Seat: Shawnee
Geography and History
Pottawatomie County is located in central Oklahoma and features a mix of rolling hills, prairies, and river valleys. The county was established in 1891 and is named after the Pottawatomie Tribe, reflecting its Native American heritage. Shawnee, the county seat, has a history tied to early settler agriculture and the development of the Santa Fe Railroad. The county’s history includes significant Native American presence, pioneer settlement, and agricultural development. Pottawatomie County has grown due to its proximity to Oklahoma City and its role in regional agriculture and commerce.
Colleges and Universities
- Oklahoma Baptist University (OBU): A private Christian university in Shawnee offering a range of undergraduate and graduate programs, with strengths in liberal arts, business, and theology.
- St. Gregory’s University: A private Catholic university in Shawnee that offers undergraduate and graduate programs with a focus on liberal arts and professional studies.
Major Landmarks
Pottawatomie County features several notable landmarks. The Mabee-Gerrer Museum of Art in Shawnee offers a diverse collection of art and historical artifacts. The Shawnee Little Theatre provides cultural performances and community theater productions. The county is also home to the historic Santa Fe Depot, a key site in the development of the railroad. Additionally, the local annual events, such as the Pottawatomie County Fair, highlight the region’s agricultural and community traditions. The combination of historical sites, cultural institutions, and local events contributes to the county’s appeal.
7. Garfield County
County Facts
- Population: Approximately 60,000
- Area Codes: 580
- Zip Codes: 73701-73766
- County Seat: Enid
Geography and History
Garfield County is located in northwestern Oklahoma and features a landscape of rolling plains and prairies. Established in 1907, the county was named in honor of President James A. Garfield. The area’s history includes Native American settlements, early pioneer agriculture, and significant developments related to the railroad and oil industries. Enid, the county seat, has grown as a regional economic and cultural center, driven by agriculture and energy sectors. The county has experienced economic growth due to its strategic location and natural resources.
Colleges and Universities
- Northern Oklahoma College (NOC): A public community college with campuses in Enid, offering associate degrees and vocational training in various fields, including business, healthcare, and technology.
- Nearby institutions: Residents often attend universities in neighboring areas, such as the University of Oklahoma or Oklahoma State University.
Major Landmarks
Garfield County features several significant landmarks. The Enid Symphony Orchestra offers a range of musical performances and cultural events. The Cherokee Strip Regional Heritage Center in Enid provides exhibits on the region’s history and pioneer heritage. The county is also home to the historic Enid Depot, reflecting its railroad history. Additionally, the annual Enid State Fair showcases local agricultural and community traditions. The combination of cultural institutions, historical sites, and local events makes Garfield County a vibrant and historically rich region.
8. Rogers County
County Facts
- Population: Approximately 95,000
- Area Codes: 918
- Zip Codes: 74001-74055
- County Seat: Claremore
Geography and History
Rogers County is located in northeastern Oklahoma and features a diverse landscape of rolling hills, prairies, and river valleys. Established in 1907, the county was named in honor of Clem V. Rogers, a prominent early settler. The area’s history includes Native American heritage, pioneer settlement, and agricultural development. Claremore, the county seat, has a rich history tied to early commerce and transportation. The county has seen growth due to its proximity to Tulsa and its role in regional agriculture and industry.
Colleges and Universities
- Rogers State University (RSU): Located in Claremore, RSU offers undergraduate programs with a focus on liberal arts, business, and technology.
- Nearby institutions: Residents often attend colleges and universities in Tulsa or other nearby cities for additional educational opportunities.
Major Landmarks
Rogers County features several notable landmarks. The Will Rogers Memorial Museum in Claremore celebrates the life and legacy of the famous humorist and actor. The county also boasts the Claremore Lake Park, which offers recreational opportunities such as fishing, boating, and picnicking. The J.M. Davis Arms & Historical Museum provides exhibits on firearms and American history. Additionally, the county’s scenic landscapes and local events, such as the annual Claremore Christmas Parade, highlight its cultural and community spirit. The combination of historical sites, recreational areas, and cultural events contributes to Rogers County’s appeal.
9. Cleveland County
County Facts
- Population: Approximately 300,000
- Area Codes: 405
- Zip Codes: 73004-73072
- County Seat: Norman
Geography and History
Cleveland County is located in central Oklahoma, just south of Oklahoma City. The county features a varied landscape of rolling plains, prairie, and river valleys, with the Canadian River marking its southern boundary. Established in 1890, Cleveland County was named after President Grover Cleveland and has grown rapidly due to its proximity to Oklahoma City. Norman, the county seat, is home to the University of Oklahoma and has developed into a major educational and cultural center. The county’s history includes early Native American settlements, pioneer agriculture, and significant educational and economic development.
Colleges and Universities
- University of Oklahoma (OU): The primary institution in Norman, offering a wide range of undergraduate, graduate, and professional programs, with notable strengths in research and academic excellence.
- Norman Regional Health System: Offers educational opportunities in healthcare and allied health professions, in collaboration with various educational institutions.
Major Landmarks
Cleveland County features several key landmarks. The University of Oklahoma campus is home to the Sam Noble Oklahoma Museum of Natural History, which offers exhibits on the region’s natural heritage. The Norman Regional Health System provides medical services and community health initiatives. The county also boasts the Historic Campus Corner District, a vibrant area with shops, restaurants, and cultural events. The annual Norman Music Festival highlights the local music scene and draws visitors from across the state. Additionally, the county’s scenic landscapes and proximity to Oklahoma City offer a blend of urban and natural attractions.
10. Lincoln County
County Facts
- Population: Approximately 35,000
- Area Codes: 405
- Zip Codes: 74801-74865
- County Seat: Chandler
Geography and History
Lincoln County is located in central Oklahoma, featuring a landscape of rolling plains and prairie. Established in 1891, the county was named in honor of President Abraham Lincoln. The county’s history includes Native American presence, pioneer settlement, and agricultural development. Chandler, the county seat, has a history tied to early commerce and transportation. The county has a strong agricultural tradition and has grown due to its central location and connection to regional economic activities.
Colleges and Universities
- None within the county: Residents often attend educational institutions in nearby counties or cities, such as the University of Oklahoma in Norman or Oklahoma State University in Stillwater.
Major Landmarks
Lincoln County is known for its rural landscapes and historical sites. The county’s main attractions include its agricultural heritage and small-town charm. The Lincoln County Historical Society Museum in Chandler offers exhibits on local history and culture. The county also hosts various local events and fairs, celebrating its agricultural traditions and community spirit. Additionally, the scenic landscapes and historic sites provide a picturesque backdrop for visitors interested in exploring rural Oklahoma. The combination of historical sites, cultural events, and natural beauty contributes to Lincoln County’s appeal.