Of 102 counties in the Prairie State, McHenry County ranks 36th by size (611 square miles). McHenry County is in Northern Illinois. Recent listings of equestrian property for sale in McHenry County, Illinois, totals nearly 1,000 acres and a combined market value of approximately $2 million. The most common type of land for sale by combined acreage in McHenry County is homesite. Browse all McHenry County horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses. The most common type of land for sale by combined acreage in McHenry County is homesite.