Of 115 counties in the Gateway State, Johnson County ranks ninth in terms of size (833 square miles). Johnson County is in Central Missouri. Missouri's Johnson County includes almost 1,000 acres of riverfront property for sale based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here was about $400,000. Browse all waterfront property for sale in Johnson County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Johnson County is homesite.