NULL Of 254 counties in the Lone Star State, Freestone County ranks 177th by size (891 square miles). Freestone County is in Blacklands North Texas. Recent Land Network data includes about 1,000 acres of horse properties for sale in Texas's Freestone County, which is valued at a combined $470,000. Browse all Freestone 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 Freestone County is residential property.