There was a total of $31 million of ranches, farms, hunting land and other rural land and acreage for sale in Marshall County recently on Land.com. The total of all Marshall County farms, ranches, hunting land and other land for sale was almost 1,000 acres. Marshall County ranks 18th in the state for the total acreage of land currently advertised for sale. Among cities in Marshall County with farms, ranches, hunting land and other land for sale, Marshalltown featured the most land for sale. Manufacturing and related services are the largest economic sectors in Marshall County. Marshall County is Iowa's 47th largest county (573 square miles). It's located in the Central Iowa region of the state.