Welcome to the official website of Kaufman County. Please take a few moments to look around. Our county seat is located in the southern portion of the county in the city of Kaufman. Kaufman was founded in 1848 and is 786 square miles. Cities in Kaufman County include, Combine, Cottonwood, Crandall, Forney, Grays Prairie, Kaufman, Kemp, Mabank, Oak Grove, Oak Ridge, Post Oak Bend, Rosser, Scurry, Talty, and Terrell.