There are 8 US Post Offices in Kaufman County serving a total of 91,716 residents equating to 11,465 residents per post office. It's estimated that approximately 146,389 packages are handled across the 8 county post offices annually. Kaufman County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 103,350. Its county seat is Kaufman. Both the county, established in 1848, and the city were named for David S. Kaufman, a diplomat and U.S. Representative from Texas. Kaufman County is included in the Dallas-Fort Worth-Arlington, Texas Metropolitan Statistical Area. Western artist Frank Reaugh moved from Illinois to Kaufman County in 1876 to draw inspiration for his paintings such as The Approaching Herd (1902)."