Of 93 counties in the state, Knox County ranks 12th in terms of size (1,139 square miles). Knox County is in Northeast Nebraska. Recent listings of lakefront homes and property for sale in Nebraska's Knox County totals nearly 1,000 acres and a combined market value of around $100,000. The most common type of land for sale by combined acreage in Knox County is undeveloped land. Browse all waterfront property for sale in Knox 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 Knox County is undeveloped land.