eureka springs arkansas is in what county
U.S. Historic district. Eureka Springs is a city in Carroll County, Arkansas, United States, and one of two county seats for the county. It is located in the Ozark Mountains of northwest Arkansas. As of the 2010 census, the city population was 2,073. The entire city is on the National Register of Historic Places as the Eureka Springs Historic District. Eureka Springs has been selected as one of America's Distinctive Destinations by the National Trust for Historic Preservation.