McHenry County is in Northern Illinois. Of the 102 counties in the Prairie State, McHenry County ranks 36th in terms of size (611 square miles). Recent listings of undeveloped land for sale in Illinois's McHenry County totals almost 1,000 acres and a combined market value of around $52 million. The most common type of land for sale by combined acreage in McHenry County is undeveloped land. The average price of undeveloped acreage for sale in McHenry County was $230,145. Some suggested uses for undeveloped land currently for sale in McHenry County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in McHenry County include whitetail deer, turkey, deer, dove and ducks. Current commercial applications for commercial property for sale in McHenry County include for hunting/fishing, commercial and agriculture use. Browse all Illinois undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.