7068 Valley Brook Drive, Frisco
Collin County Homes For Sale
Dallas County - Collin County - Denton County - Tarrant County
Collin County is located in the U.S. state of Texas. As of the 2010 United States Census, the county's population was 782,341, making it the seventh-most populous county in Texas and the 45th-largest county by population in the United States. Per the American Community Survey's estimates, its population reached 1,034,730 in 2019. Its county seat is McKinney. Collin County is part of the Dallas-Fort Worth-Arlington metropolitan statistical area. A small portion of the city of Dallas is in the county.