Dumas is a city in Desha County, Arkansas, United States. The population was 4,706 at the 2010 census.
Entering Dumas from the north on U.S. 65.
Desha County is a county located in the southeast part of the U.S. state of Arkansas, with its eastern border the Mississippi River. At the 2020 census, the population was 11,395. The county seat is Arkansas City.
Desha County courthouse in Arkansas City
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