A combined 3,000 acres were listed for sale in Clark County recently; the overall value of all Clark County farms and rural land for sale was almost $28 million. Clark County ranks 41st in Wisconsin for the total number of acres of land currently advertised for sale. Of all land for sale in Clark County, Neillsville featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Clark County. Clark County is the 13th largest county (1,218 square miles) in Wisconsin. It's located in the Northwest Wisconsin region of the state.