Of 77 counties in the Sooner State, Delaware County ranks 43rd by size (792 square miles). Delaware County is in Green Country Oklahoma. Recent Land Network data totals roughly 1,000 acres of equestrian property for sale in Oklahoma's Delaware County, which is valued at a combined $575,000. Browse all Delaware 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 Delaware County is house.