Originally an independent republic, Texas joined the U.S. in 1845. It has a unique history of independence and played a key role in the Mexican-American War and the oil boom. Texas has 254 counties, the most of any state.
10 Largest Counties in Texas
1. Harris County
County Facts
- Population: Approximately 5,300,000
- Area Codes: 713, 281, 832
- Zip Codes: 77001-77598
- County Seat: Houston
Geography and History
Harris County, located in southeastern Texas, is the most populous county in the state. Its landscape is characterized by a mix of urban and suburban areas, with the Houston metropolitan area being a major component. Established in 1836, Harris County’s history includes its role in the early development of Texas, particularly its involvement in the oil boom of the early 20th century. The county has experienced rapid growth due to its diverse economy, including sectors such as energy, healthcare, and technology. Houston, the county seat, has developed into a major cultural and economic hub, contributing significantly to the county’s growth and prominence.
Colleges and Universities
- University of Houston (UH): A major public research university offering a wide range of undergraduate and graduate programs, including strong programs in business, engineering, and the sciences.
- Rice University: A private research university known for its programs in science, engineering, and humanities.
- Houston Community College (HCC): Provides a variety of vocational and academic programs, serving a large and diverse student body.
Major Landmarks
Harris County boasts numerous significant landmarks. Houston’s Space Center Houston offers a comprehensive look at space exploration and NASA’s history. The Museum District features attractions such as the Houston Museum of Natural Science and the Museum of Fine Arts. The historic Houston Livestock Show and Rodeo showcases the county’s agricultural roots and is a major cultural event. Additionally, Discovery Green is a popular urban park in downtown Houston, offering recreational activities and public events. The blend of space history, cultural institutions, and vibrant public spaces makes Harris County a dynamic destination.
2. Dallas County
County Facts
- Population: Approximately 2,700,000
- Area Codes: 214, 469, 972
- Zip Codes: 75001-75287
- County Seat: Dallas
Geography and History
Dallas County, located in north-central Texas, is known for its significant urban and economic development. The county’s landscape features a mix of urban areas and suburban neighborhoods. Established in 1846, Dallas County has been a major player in Texas’s history, particularly due to its role in the development of the cotton and oil industries. Dallas, the county seat, has grown into a major economic and cultural center, known for its finance, technology, and telecommunications sectors. The city’s historical significance includes its role in the assassination of President John F. Kennedy in 1963, an event that shaped national and local history.
Colleges and Universities
- Southern Methodist University (SMU): A private research university known for its programs in business, law, and the arts.
- University of Texas at Dallas (UTD): Offers a wide range of undergraduate and graduate programs with strengths in engineering, business, and computer science.
- Dallas College: Provides a variety of academic and vocational programs across multiple campuses.
Major Landmarks
Dallas County features several prominent landmarks. The Sixth Floor Museum at Dealey Plaza offers an in-depth look at the life and assassination of President John F. Kennedy. The Dallas Arts District, the largest urban arts district in the U.S., includes the Dallas Museum of Art and the Winspear Opera House. The Dallas Arboretum and Botanical Garden provides beautiful gardens and seasonal events. Additionally, the historic Deep Ellum district is known for its vibrant music scene and street art. The combination of historical sites, cultural institutions, and vibrant neighborhoods makes Dallas County a significant and engaging destination.
3. Tarrant County
County Facts
- Population: Approximately 2,200,000
- Area Codes: 817, 682
- Zip Codes: 76101-76199
- County Seat: Fort Worth
Geography and History
Tarrant County is located in north-central Texas, featuring a diverse landscape of urban and suburban areas. Established in 1849, the county has a history rooted in cattle ranching and early settlement. Fort Worth, the county seat, is known for its historical ties to the cattle industry and its development as a major urban center. The county’s history includes significant growth during the 20th century, driven by its role in the defense, transportation, and energy sectors. Fort Worth’s cultural heritage is reflected in its Western-themed attractions and its status as a major business and cultural hub.
Colleges and Universities
- Texas Christian University (TCU): A private university known for its strong programs in business, education, and the arts.
- University of Texas at Arlington (UTA): Offers a wide range of undergraduate and graduate programs, with notable strengths in engineering, business, and nursing.
- Tarrant County College (TCC): Provides a variety of academic and vocational programs across multiple campuses.
Major Landmarks
Tarrant County features several notable landmarks. The Fort Worth Stockyards Historic District preserves the city’s cattle-ranching heritage with its daily cattle drives and Western-themed attractions. The Kimbell Art Museum and the Modern Art Museum of Fort Worth offer significant art collections and cultural experiences. Additionally, the Fort Worth Zoo is one of the top-rated zoos in the country. The county’s combination of historic districts, art institutions, and family-friendly attractions makes it a diverse and engaging destination.
4. Bexar County
County Facts
- Population: Approximately 2,200,000
- Area Codes: 210, 726
- Zip Codes: 78201-78299
- County Seat: San Antonio
Geography and History
Bexar County is located in south-central Texas and is known for its rich history and cultural heritage. The county’s landscape includes a mix of urban and rural areas, with San Antonio being the largest city. Established in 1836, Bexar County has a history deeply intertwined with early Spanish colonization, the Texas Revolution, and the development of San Antonio as a major city. The county has experienced significant growth due to its vibrant economy, historic attractions, and cultural institutions.
Colleges and Universities
- University of Texas at San Antonio (UTSA): A public research university offering a wide range of programs with strengths in business, engineering, and the sciences.
- Trinity University: A private liberal arts university known for its programs in humanities, social sciences, and natural sciences.
- San Antonio College: Provides a variety of academic and vocational programs, serving a large and diverse student body.
Major Landmarks
Bexar County features several significant landmarks. The Alamo, a historic site from the Texas Revolution, is a major cultural and tourist attraction. The San Antonio River Walk is a picturesque area with restaurants, shops, and cultural events. Additionally, the San Antonio Missions National Historical Park includes four Spanish colonial missions that are UNESCO World Heritage Sites. The combination of historic sites, cultural attractions, and vibrant public spaces makes Bexar County a major destination for visitors.
5. Travis County
County Facts
- Population: Approximately 1,300,000
- Area Codes: 512, 737
- Zip Codes: 73301-78799
- County Seat: Austin
Geography and History
Travis County, located in central Texas, is known for its significant urban development and cultural influence. Established in 1840, the county’s history includes its role in the early settlement of Texas and its growth as a major urban center. Austin, the county seat, is the capital of Texas and is known for its vibrant music scene, technology sector, and cultural diversity. The county’s landscape includes a mix of urban areas, scenic hill country, and lake regions, contributing to its dynamic character and appeal.
Colleges and Universities
- University of Texas at Austin (UT Austin): The flagship public university of Texas, offering a wide range of undergraduate and graduate programs with strengths in engineering, business, and the liberal arts.
- St. Edward’s University: A private liberal arts university known for its programs in business, education, and the humanities.
- Austin Community College (ACC): Provides a variety of academic and vocational programs across multiple campuses.
Major Landmarks
Travis County features several notable landmarks. The Texas State Capitol, located in Austin, is a historic and architectural landmark that serves as the seat of Texas government. The Bullock Texas State History Museum offers exhibits on Texas history and culture. Additionally, the Barton Springs Pool, a natural spring-fed pool in Zilker Park, is a popular recreational spot. The county’s vibrant cultural scene, historic sites, and natural attractions make it a dynamic and appealing destination.
6. El Paso County
County Facts
- Population: Approximately 900,000
- Area Codes: 915
- Zip Codes: 79901-79980
- County Seat: El Paso
Geography and History
El Paso County is located in far west Texas, bordering Mexico. Its landscape includes desert terrain, mountain ranges, and the Rio Grande River. Established in 1848, the county has a history influenced by its location on the U.S.-Mexico border, including its role in trade, immigration, and cultural exchange. El Paso, the county seat, is a major city known for its rich cultural heritage, significant military presence, and growing economy. The county’s history includes its development as a key transportation and trade hub in the region.
Colleges and Universities
- University of Texas at El Paso (UTEP): A public research university offering a range of programs with strengths in engineering, business, and the sciences.
- El Paso Community College (EPCC): Provides a variety of academic and vocational programs across multiple campuses.
Major Landmarks
El Paso County features several significant landmarks. The Franklin Mountains State Park offers extensive recreational opportunities, including hiking and scenic views. The El Paso Museum of Art showcases a diverse collection of art and cultural exhibits. Additionally, the El Paso Zoo is known for its conservation efforts and diverse animal exhibits. The county’s combination of natural beauty, cultural institutions, and family-friendly attractions makes it a noteworthy destination.
7. Collin County
County Facts
- Population: Approximately 1,000,000
- Area Codes: 214, 469, 972
- Zip Codes: 75002-75094
- County Seat: McKinney
Geography and History
Collin County is located in north-central Texas, known for its rapid suburban development and growth. Established in 1849, the county’s history includes its early settlement and development as a key area in the Dallas-Fort Worth metropolitan region. McKinney, the county seat, has grown into a vibrant city with a rich historical heritage and modern amenities. The county’s landscape features a mix of suburban neighborhoods, agricultural areas, and scenic parks.
Colleges and Universities
- Collin College: Provides a wide range of academic and vocational programs, serving a large and diverse student body across multiple campuses.
- Nearby institutions: Residents often attend universities in the Dallas-Fort Worth area, such as the University of Texas at Dallas.
Major Landmarks
Collin County features several notable landmarks. The historic McKinney Square offers charming shops, restaurants, and events in a beautifully preserved setting. The Heard Natural Science Museum & Wildlife Sanctuary provides educational exhibits and outdoor trails for exploring local wildlife. Additionally, the Allen Premium Outlets offer shopping and dining options. The county’s combination of historic sites, natural attractions, and modern amenities makes it a popular and engaging destination.
8. Denton County
County Facts
- Population: Approximately 1,000,000
- Area Codes: 214, 940, 972
- Zip Codes: 75001-76299
- County Seat: Denton
Geography and History
Denton County is located in north-central Texas, characterized by its mix of suburban development and rural areas. Established in 1846, the county has a history rooted in agriculture and early settlement. Denton, the county seat, is known for its historic downtown, cultural institutions, and as a center for education. The county’s growth has been influenced by its proximity to the Dallas-Fort Worth metropolitan area and its role as a residential and economic hub.
Colleges and Universities
- University of North Texas (UNT): A public research university in Denton offering a wide range of programs with strengths in music, business, and education.
- Texas Woman’s University (TWU): Known for its programs in health sciences, education, and business.
Major Landmarks
Denton County features several significant landmarks. The historic Denton Courthouse-on-the-Square Museum offers insights into the county’s past with exhibits and preserved architecture. The Denton Arts and Jazz Festival is a popular annual event showcasing music and arts. Additionally, the Lake Lewisville provides recreational opportunities such as boating and fishing. The county’s combination of historic sites, cultural events, and outdoor activities makes it a notable and engaging destination.
9. Fort Bend County
County Facts
- Population: Approximately 900,000
- Area Codes: 281, 346, 713, 832
- Zip Codes: 77401-77494
- County Seat: Richmond
Geography and History
Fort Bend County is located in southeastern Texas, with a landscape that includes a mix of suburban development and rural areas. Established in 1837, the county has a history rooted in early Texas settlement and development. Richmond, the county seat, is known for its historic downtown and cultural heritage. The county’s growth has been driven by its proximity to Houston and its diverse economy, including sectors such as manufacturing, retail, and technology.
Colleges and Universities
- Nearby institutions: Residents often attend universities in the Houston area, such as the University of Houston or Texas Southern University.
Major Landmarks
Fort Bend County features several notable landmarks. The George Ranch Historical Park offers a glimpse into Texas history with its preserved ranching heritage and interactive exhibits. The Fort Bend Museum provides insights into the county’s past with historical artifacts and exhibits. Additionally, the county’s parks and recreational areas offer opportunities for outdoor activities. The combination of historical sites, cultural institutions, and recreational areas makes Fort Bend County an interesting and vibrant destination.
10. Williamson County
County Facts
- Population: Approximately 600,000
- Area Codes: 512, 737
- Zip Codes: 78626-78683
- County Seat: Georgetown
Geography and History
Williamson County is located in central Texas, with a landscape that includes rolling hills and rural areas. Established in 1848, the county has a history rooted in early settlement and agriculture. Georgetown, the county seat, is known for its historic square and well-preserved 19th-century architecture. The county’s growth has been influenced by its proximity to Austin and its development as a residential and business hub. The county’s history includes significant events related to early Texas settlers and agricultural development.
Colleges and Universities
- Nearby institutions: Residents often attend universities in Austin, such as the University of Texas at Austin or Texas State University in San Marcos.
Major Landmarks
Williamson County features several significant landmarks. The Georgetown Historic Square offers charming shops, restaurants, and events in a well-preserved historic setting. The Inner Space Cavern provides guided tours of its impressive underground formations. Additionally, the county’s parks and recreational areas offer opportunities for outdoor activities and community events. The combination of historic sites, natural attractions, and community spaces makes Williamson County a distinctive and appealing destination.