Atlanta is a city in Cass County, northeastern Texas, United States. According to the 2010 U.S. census, the city had a population of 5,675, which decreased to 5,433 as of 2020.

Cass County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 28,454. The county seat is Linden. The county was named for United States Senator Lewis Cass (D-Michigan), who favored the U.S. annexation of Texas in the mid-19th century.