Kaufman is a city in, and the county seat of, Kaufman County, in the State of Texas, USA. Its population was 6,797 at the 2020 census. Kaufman was founded as "Kings Fort", named after Dr. William P. King, who established the fort in 1840 after purchasing 2.5 square miles of land where the city is now located. The community was renamed "Kingsboro" after five years of growth. In 1852, Kingsboro was renamed "Kaufman" after the newly formed Kaufman County, which in turn was named after David S. Kaufman.