The overall value of land for sale in Fayette County recently on Land.com was nearly $8 million. This represents 1,000 acres of farms, ranches, hunting land and other land for sale in Fayette County. Fayette County ranks 73rd in the state for the combined amount of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Fayette County, Oelwein had the most land for sale. Fayette County is one of the ten biggest counties in Iowa (731 square miles). It's located in the Eastern Iowa region of the state.