Dublin, also known as Hopson Bayou, is a census-designated place and unincorporated community located along U.S. Route 49 in southeastern Coahoma County, Mississippi, United States. Dublin is located on the Mississippi Delta Railroad. Dublin has a ZIP code of 38739. A post office first began operation under the name Dublin in 1875. It was first named as a CDP in the 2020 Census which listed a population of 24.