The topography of the county includes the Ouachita Mountains and the fertile soils of the Southern Coastal plains. Two sparkling clear rivers, the Saline and Cossatot, thread their way through the county, eventually flowing to the Gulf of Mexico. Three lakes in the county, Dierks, Gillham, and Millwood, provide a variety of recreation on the water. One of the newest additions to the Arkansas State Park system is the Cossatot State Park and Natural Area, which is located on State Highway 278, west of Umpire. The visitor' center is a 15,000 square-foot building, which features a large exhibit gallery, two classrooms, a wildlife viewing area, a gift shop and park administration offices., Howard County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 12,785. [1] The county seat is Nashville. [2] Howard County is Arkansas's 74th county, formed on April 17, 1873, and named for James Howard, [3] a state senator. It is a dry county., Find your county to see if you can take care of this online. Discover careers, jobs, and trainings that leverage your skills in the industries of Arkansas’ future. We are committed to providing every citizen with learning opportunities at all levels of education. Your health is important..