Of 10 counties in the Granite State, Hillsborough County ranks fifth by size (892 square miles). Hillsborough County is in South New Hampshire. Recent listings of horse properties for sale in New Hampshire's Hillsborough County totals around 1,000 acres and a combined market value of roughly $900,000. The most common type of land for sale by combined acreage in Hillsborough County is residential property. Browse all Hillsborough 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 Hillsborough County is residential property.