Mesquite is a city in the U.S. state of Texas, located in Dallas County with portions extending into Kaufman County. In 2020, its population was 150,108 making it the 21st-most populous city in Texas. Mesquite is positioned at the crossroads of four major highways, making locations such as downtown Dallas, Lake Ray Hubbard, Dallas Love Field, and DFW International Airport accessible.

Dallas County is the second-most populous county in the U.S. state of Texas with a 2020 U.S. census of 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.