Of 62 counties in the state, Herkimer County ranks ninth by size (1,458 square miles). Herkimer County is in Northern New York. A recent survey of Land Network data shows approximately 1,000 acres of horse farms for sale in New York's Herkimer County, which is valued at a combined $399,000. Browse all Herkimer 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 Herkimer County is residential property.