The value of all ranches, farms, hunting land and other rural land and acreage for sale in Williams County recently was nearly $2 million, representing a total of 49 acres of land for sale in Williams County. Williams County ranks 82nd out of 88 counties in the Buckeye State for the total acreage of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Williams County, Bryan had the most land for sale. Williams County is Ohio's 57th largest county (423 square miles). It's located in the Northwest Ohio region of the state.