There was a total of around $7 million of farms, ranches, and rural real estate for sale in Fayette County recently on Land.com. The total acreage of all Fayette County ranches, farms, hunting land and other rural land and acreage for sale was almost 1,000 acres. Fayette County ranks 77th in the state for the total acreage of land currently advertised for sale. Oelwein featured 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.