Dermott is a city in Chicot County, Arkansas, United States. The population was 2,316 at the 2010 census. Dermott was incorporated in 1890.

Chicot County is a county located in the southeastern corner of the U.S. state of Arkansas. As of the 2020 census, the population was 10,208. The county seat is Lake Village. Chicot County is Arkansas's 10th county, formed on October 25, 1823, and named after Point Chicot on the Mississippi River. It is part of the Arkansas Delta, lowlands along the river that have been historically important as an area for large-scale cotton cultivation.