A total of almost 1,000 acres were listed for sale in Ohio's Williams County recently; the combined value of all Williams County farms, ranches, hunting land and other land for sale was $1 million. Williams County ranks 85th in the Buckeye State for the total number of acres of land currently advertised for sale. Of all locations in Williams County with farms, ranches, and rural real estate for sale, Montpelier featured 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.