Knox County is in Western Illinois. Of the 102 counties in the state, Knox County is 23rd in terms of its size (460,704 acres). Recent listings of farms for sale in Illinois's Knox County totals almost 2,000 acres and a combined market value of almost $13 million. The most common type of land for sale by combined acreage in Knox County is undeveloped land. The average price of farmland for sale in Knox County was $2 million. Farms for sale in Knox County hold livestock including horses, cattle, goats, sheep and pig. Browse all Illinois farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or lifestyle needs.