Benbrook is a city located in the southwestern corner of Tarrant County, Texas, in Texas's 12th congressional district, and a suburb of Fort Worth. As of the 2010 United States Census, the population was 21,234, reflecting an increase of 1,026 from the 20,208 counted in the 2000 Census, which had in turn increased by 644 from the 19,564 counted in the 1990 Census.