McKinney is a city in and the county seat of Collin County, Texas, United States. It is Collin County's second-largest city, after Plano. A suburb of the Dallas–Fort Worth metroplex, McKinney is about 32 miles (51 km) north of Dallas. The U.S. Census Bureau listed McKinney as the nation's fastest-growing city from 2000 to 2003 and again in 2006, among cities with more than 50,000 people. In 2007, it was ranked second-fastest-growing among cities with more than 100,000 people and in 2008 as third-fastest. In the 2010 census, the city's population was 131,117, making it Texas' 19th-most populous city. The most recent population estimate, produced by the city as of 2019, is 199,177, which makes it Texas' 16th most populous city. As of May 2017, McKinney was the third-fastest-growing city in the United States.In 2014, McKinney was rated No. 1 by Money magazine as "Best Place to Live" in America.

Frisco is a city in Collin and Denton counties in the State of Texas. It is part of the Dallas–Fort Worth metroplex and is about 25 miles (40 km) from both Dallas Love Field and Dallas/Fort Worth International Airport. The city population was 116,989 at the 2010 census, with the 2020 census placing it at a population of 207,748.Frisco was the fastest-growing city in the United States in 2017, and also the fastest-growing city in the nation from 2000 to 2009. In the late 1990s, the northern DFW suburban development tide hit the northern border of Plano and spilled into Frisco, sparking rapid growth into the 2000s. Like many of the cities in the northern suburbs of Dallas, Frisco serves as a bedroom community for professionals who work in DFW. Since 2003, Frisco has received the designation Tree City USA by the National Arbor Day Foundation. Frisco Independent School District, the local school district, is known for exceptional performance among its students.

Allen is a city in Collin County, Texas, United States, a northern suburb of Dallas. As of the 2010 United States Census, the city had a total population of 84,246. In 2019, the population of Allen is estimated to be 105,623. Allen is located approximately twenty miles (32.2 km) north of downtown Dallas and is a part of the Dallas–Fort Worth metropolitan area.

The Colony is a city in Denton County, Texas, United States, and a suburb of Dallas. The population was 36,328 at the 2010 census.