Located in Central New Hampshire, 954-square-mile Merrimack County is one of the ten biggest counties in the Granite State. There is almost 1,000 acres of farms for sale in Merrimack County, New Hampshire, based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is almost $5 million. The average price of farms for sale in Merrimack County was $2 million. Browse all New Hampshire farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or individual needs.