Oneida County is in Central New York. Of the 62 counties in the Empire State, 1,257-square-mile Oneida County ranks 16th by size. The most common type of land for sale by combined acreage in Oneida County is residential property. Browse all Oneida 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.