Mercer County is in Northwest Missouri. Of the 115 counties in the state, Mercer County ranks 95th in terms of size (291,270 acres). Recent listings of residential land and property for sale in Missouri's Mercer County totals roughly 1,000 acres and a combined market value of around $9 million. The most common type of land for sale by combined acreage in Mercer County is house. The average price of residential land for sale in Mercer County was $602,957. The economy here is largely agricultural. 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.