Dallas is a city in Texas and the most populous in the Dallas–Fort Worth metroplex, the fourth-largest metropolitan area in the United States at 7.5 million people. It is the most populous city in and seat of Dallas County with portions extending into Collin, Denton, Kaufman, and Rockwall counties. With a 2020 census population of 1,304,379, it is the ninth-most populous city in the U.S. and the third-most populous city in Texas after Houston and San Antonio. Located in the North Texas region, the city of Dallas is the main core of the largest metropolitan area in the Southern United States and the largest inland metropolitan area in the U.S. that lacks any navigable link to the sea.
Denton County is located in the U.S. state of Texas. As of the 2020 census, its population was 906,422, making it the 7th-most populous county in Texas. The county seat is Denton. The county, which was named for John B. Denton, was established in 1846. Denton County constitutes part of the Dallas–Fort Worth metroplex. In 2007, it was one of the fastest-growing counties in the United States.
Dallas County is the second-most populous county in the U.S. state of Texas. As of the 2020 U.S. census, the population was 2,613,539, making it the ninth-most populous county in the country. Dallas County is included in the Dallas-Arlington-Fort Worth metropolitan statistical area—colloquially referred to as the Dallas–Fort Worth metroplex. Municipal expansion within Dallas County has blurred the geographic lines between cities and between neighboring counties.
Collin County is located in the U.S. state of Texas. It is part of the Dallas-Fort Worth-Arlington metropolitan statistical area, and a small portion of the city of Dallas is in the county. At the 2020 United States census, the county's population is 1,064,465, making it the sixth-most populous county in Texas and the 43rd-largest county by population in the United States. Its county seat is McKinney.
Lavon is a city in Collin County and has been one of the U.S. state of Texas's fastest-growing communities, with a 2000 census-tabulated population of 387 and 2020 tabulated population of 4,469.
McKinney is a city in, and the county seat of, Collin County, Texas, United States. It is Collin County's third-largest city, after Plano and Frisco. A suburb of the Dallas–Fort Worth metroplex, McKinney is about 32 miles (51 km) north of Dallas.
Clear Lake Shores is a city in Galveston County, Texas, within the Houston–Sugar Land–Baytown metropolitan area. As of the 2010 census, the city population was 1,063.
Rockwall is a city in Rockwall County, Texas, United States, which is part of the Dallas/Fort Worth metroplex. It is the county seat of Rockwall County. The U.S. Census Bureau estimates that as of the 2020 census, Rockwall's population is 47,251, up from 45,888 in 2019. The name Rockwall is derived from a naturally jointed geological formation, which has the appearance of an artificial wall.
Garland is a city in the U.S. state of Texas. It is located northeast of Dallas and is a part of the Dallas–Fort Worth metroplex. It is located within Dallas County except for small portions located in Collin and Rockwall Counties. At the 2010 census, the city had a population of 226,876. In 2019, the population rose to 239,928, making it the 93rd-most populous city in the United States of America and the 12th-most populous city in Texas; by 2020, it had a population of 246,018. Garland is the third largest city in Dallas County by population and has access to downtown Dallas via public transportation including two Dart Blue Line stations and buses.
Plano is a city in Collin County and Denton County, Texas, United States. It had a population of 285,494 at the 2020 census. It is a principal city of the Dallas–Fort Worth metroplex, and the headquarters of Frito-Lay.
Sachse is a city in Collin and Dallas counties in the U.S. state of Texas and is part of the DFW metroplex. A northeastern suburb of Dallas, the city population was 27,103, as of the 2020 census with an estimated population of 29,042 people today. Sachse is located off Texas State Highway 78 and President George Bush Turnpike and is approximately 1 mile (1.6 km) north of the Firewheel Town Center.
Wylie is a city and northeastern suburb of Dallas, that was once solely located in Collin County, but now extends into neighboring Dallas and Rockwall counties in the U.S. state of Texas. It is located on State Route 78 about 24 miles (39 km) northeast of central Dallas and centrally located between nearby Lavon Lake and Lake Ray Hubbard.
Rowlett is a city in Dallas and Rockwall counties in the U.S. state of Texas, and an eastern suburb of Dallas. The total population estimate is 73,270 in 2021. It is a growing, upscale community with nearly $1.5 billion in development in the Dallas–Fort Worth metroplex, located on Lake Ray Hubbard.
Azle is a city west of Fort Worth in Parker and Tarrant Counties in the U.S. state of Texas. As of the 2010 census, the city population was 10,947.
The Dallas–Fort Worth metroplex, officially designated Dallas–Fort Worth–Arlington by the U.S. Office of Management and Budget, is a metropolitan statistical area in the U.S. state of Texas encompassing 11 counties. Its pre-war core cities are Dallas and Fort Worth. It is the economic and cultural hub of North Texas. Residents of the area also refer to it as DFW, or the Metroplex. The Dallas–Fort Worth–Arlington metropolitan statistical area's population was 7,637,387 according to the U.S. Census Bureau's 2020 census, making it the most populous metropolitan area in both Texas and the Southern United States, the fourth-largest in the U.S., and the tenth-largest in the Americas. In 2016, the Dallas–Fort Worth metroplex had the highest annual population growth in the United States.
The Trinity River is a 710-mile (1,140 km) river, the longest with a watershed entirely within the U.S. state of Texas. It rises in extreme northern Texas, a few miles south of the Red River. The headwaters are separated by the high bluffs on the southern side of the Red River.
There are five county parks in Collin County, Texas.
Lavon Lake is a freshwater reservoir located in southeast Collin County, Texas, on the East Fork of the Trinity River near Wylie, off State Highway 78. It is commonly called Lake Lavon for commercial and recreational purposes, but Lavon Lake is its official name according to the U.S. Army Corps of Engineers. It was originally called Lavon Reservoir.
Copeville is an unincorporated community in southeastern Collin County, Texas, United States, along State Highway 78 near the east shore of Lavon Lake.
Culleoka is a populated place in Collin County, Texas, United States.
