A total of around 6,000 acres were listed for sale in Washington's Ferry County recently; the value of all Ferry County farms and ranches for sale was around $42 million. Ferry County ranks 17th out of 39 counties in Washington for the total number of acres of land currently advertised for sale. Republic featured the most land for sale. From an economic perspective, government and state-level services contribute most to Ferry County's overall GDP. Ferry County is Washington's 12th largest county (2,257 square miles). It's located in the Eastern Washington region of the state.