Cusseta is an unincorporated community in Cass County, Texas, United States. According to the Handbook of Texas, the community had a population of 30 in 2000. The area in what is known as Cusseta today was settled in the early 1850s and was named after Cusseta, Alabama, after John Robin Heard relocated from there. A post office was establishe…Cusseta is an unincorporated community in Cass County, Texas, United States. According to the Handbook of Texas, the community had a population of 30 in 2000. The area in what is known as Cusseta today was settled in the early 1850s and was named after Cusseta, Alabama, after John Robin Heard relocated from there. A post office was established in 1856. It most likely served as a shipping point for local plantation owners. The community had 100 residents served by a gristmill and two gins in 1884. The population was reduced by half in 1896 then returned to 100 in 1914. Cusseta had two businesses in 1933, but the population once again was reduced to 60. From 1990 through 2000, the population was 30 with no businesses.