Knox County is in Western Illinois. Of the 102 counties in the Inland Empire, 460,704-acre Knox County ranks 23rd by size. Recent listings of farms for sale in Illinois's Knox County totals 1,000 acres and a combined market value of about $10 million. The most common type of land for sale by combined acreage in Knox County is undeveloped land. The average price of farms for sale in Knox County was $3 million. Farms for sale in Knox County support 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 business or individual needs.