There was a combined approximately $47 million of farms, ranches, hunting land and other land for sale in Iowa's Jasper County recently on Land.com. The total acreage of all Jasper County farms and ranches for sale was nearly 1,000 acres. Jasper County ranks 12th out of 99 counties in the state for the combined amount of land currently advertised for sale. Of all locations in Jasper County with land and rural real estate for sale, Newton featured the most land for sale. Jasper County is one of the ten largest counties in Iowa (732 square miles). It's located in the Central Iowa region of Iowa.