Buying a home in Merrimack County, New Hampshire doesn't have to be difficult - Homes.com makes home buying a breeze. With 1,936 homes for sale in Merrimack County, New Hampshire, you can search by price, bedrooms, neighborhood, and even by property type. Search Merrimack County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Merrimack County school data, neighborhood information, find Merrimack County real estate agents, and research home values in Merrimack County, NH. Homes.com has everything you need but the house keys.