Marion County is in Northeast Missouri. Of the 115 counties in the Show Me State, Marion County ranks 97th in terms of size (284,353 acres). A recent survey of Land Network data shows roughly 1,000 acres of residential land for sale in Missouri's Marion County, which is valued at a combined $11 million. The average price of residential land for sale in Marion County was $284,805. Browse all residential land and rural property for sale in Missouri to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.