A combined 1,000 acres were listed for sale in Washington County, Wisconsin, recently; the overall value of all Washington County farms, rural land, hunting land and other land for sale was nearly $102 million. Washington County ranks 27th in the Badger State for the total acreage of land currently advertised for sale. West Bend featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Washington County. Washington County is Wisconsin's 68th biggest county (435 square miles). It's located in the Southeast Wisconsin region of Wisconsin.