The combined value of ranches, farms, hunting land and other rural land and acreage for sale in Ohio's Defiance County recently on Land.com was $4 million. This represents 1,000 acres of farms and ranches for sale in Defiance County. Defiance County ranks 86th out of 88 counties in the Buckeye State for the total number of acres of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Defiance County, Defiance had the most land for sale. Defiance County is Ohio's 67th biggest county (414 square miles). It's located in the Northwest Ohio region of the state.