Mansfield is a suburban city in the U.S. state of Texas, and is part of the Dallas–Fort Worth metroplex area. The city is located mostly in Tarrant County, with small parts in Ellis and Johnson counties. Its location is approximately 30 miles from Dallas and 20 miles from Fort Worth, and is adjacent to Arlington. As of the 2020 census, the population was 72,602, up from 56,368 in 2010.

Tarrant County is a county located in the U.S. state of Texas with a 2020 U.S. census population of 2,110,640, making it the third-most populous county in Texas and the 15th-most populous in the United States. Its county seat is Fort Worth. Tarrant County, one of 26 counties created out of the Peters Colony, was established in 1849 and organized the next year. It is named after Edward H. Tarrant, a lawyer, politician, and militia leader.