Of 72 counties in the Badger State, Washington County is 68th in terms of its size (435 square miles). Washington County is in Southeast Wisconsin. Washington County, Wisconsin, has approximately 1,000 acres of horse farms for sale based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here was almost $2 million. Browse all Washington 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 Washington County is house.