National Register Listings in
Merrimack County, New Hampshire

2 1/2 Beacon Street Allenstown Meeting House Baptist New Meeting House Bear Brook State Park Civilian Conservation Corps (CCC) Camp Historic District Bement Covered Bridge Bennett Farm Blossom Hill and Calvary Cemeteries Bog Bridge Boscawen Academy and Much-I-Do-Hose House Boscawen Public Library Bradford Center Meetinghouse Bradford Town Hall Bridges, H. Styles, House Canterbury Shaker Village Center Meetinghouse Chamberlin House Concord Civic District Concord Gas Light Company Gasholder House Concord Historic District Contoocook Railroad Depot Crippen, Henry J., House Dalton Covered Bridge Dimond Hill Farm Downing, Lewis, Jr., House Downtown Concord Historic District Durgin, Gershom, House Eagle Hotel East Andover Village Center Historic District Endicott Hotel Farrington House First Congregational Church of Boscawen Foster, Reuben, House and Cleaves, Perley, House Franklin Falls Historic District Hall Memorial Library Hall, Charles S., House Harvey, Matthew, House Hay Estate Henniker Town Hall Hersey Farms Historic District Hill Center Church Hopkinton Railroad Covered Bridge Howe-Quimby House Keniston Bridge Leavitt Farm Long, William H., Memorial Loudon Town Hall Lower Warner Meetinghouse Memorial Arch of Tilton Merrimack County Bank Merrimack County Courthouse Millville School Morrill-Lassonde House Murray Hill Summer Home District New Hampshire Savings Bank Building North Wilmot Union Meetinghouse Northfield Union Church Noyes, Jacob, Block Old North Cemetery Old Post Office Old Webster Meeting House Page Belting Company Mills Pembroke Mill Pierce, Franklin, House Pillsbury Memorial Hall Pineground Bridge Pittsfield Center Historic District Pleasant View Home Potter Place Railroad Station Robie's Country Store Rolfe Barn Rollins, Gov. Frank West, House Rowell's Covered Bridge Salisbury Academy Building South Danbury Christian Church South Sutton Meeting House Stanley Tavern Sulphite Railroad Bridge Suncook Village Commercial-Civic Historic District Tuttle, Donald D., House Upham-Walker House Waterloo Covered Bridge Waterloo Historic District Webster Congregational Church Webster, Daniel, Family Home Whipple, Dr. Solomon M., House White Farm White Park
In 1803, New Hampshire resident Benjamin Dearborn built the first potato harvester, which revolutionized farming in the United States.
Merrimack County, located in the state of New Hampshire, has a rich history that dates back to the founding of the United States. The county was officially established in 1823 and is named after the Merrimack River, which flows through it. Prior to its establishment, the area was inhabited by Native American tribes, including the Pennacook and Abenaki peoples.

During the colonial era, European settlers built towns and villages along the Merrimack River, attracted by its fertile land and access to water transportation. Concord, the county seat and state capital, was founded in 1725 and became an important political and economic center in the region. It played a vital role during the American Revolution as the site of the Battles of Lexington and Concord in 1775, which marked the beginning of the war.

In the 19th century, Merrimack County experienced significant industrialization and economic growth. The construction of canals and railroads connected the county to national markets, leading to the expansion of manufacturing industries, including textiles, paper mills, and granite quarries. The city of Franklin, known as the "Granite Capital of the World," became a major center for granite production, supplying materials for iconic structures like the Library of Congress and the Brooklyn Bridge.

In the 20th century, Merrimack County continued to develop its industrial and agricultural sectors. The Great Depression had a significant impact on the area, but it rebounded with the growth of defense-related industries during World War II. The county also saw advancements in education and culture, with the establishment of colleges, museums, and cultural organizations.

Today, Merrimack County remains an important hub of commerce, government, and culture in New Hampshire. Its historical significance, natural beauty, and vibrant communities make it a unique and desirable place to live and visit.

This timeline provides a condensed summary of the historical journey of Merrimack County, New Hampshire.

  • 1765: Merrimack County is established as one of the five original counties in New Hampshire.
  • 1769: The county seat is established in the town of Salisbury.
  • 1772: The county seat is moved to the newly established town of Boscawen.
  • 1791: The county seat is transferred to Concord.
  • 1823: The county courthouse is built in Concord.
  • 1841: The Merrimack County Agricultural Society is founded.
  • 1846: The Merrimack County Savings Bank is established.
  • 1849: The Northern Railroad is completed, running through Merrimack County.
  • 1866: The Independent Order of Odd Fellows is organized in Concord.
  • 1889: The state prison is relocated to Concord.
  • 1893: The New Hampshire Historical Society is founded in Concord.
  • 1901: The county courthouse in Concord is destroyed by fire.
  • 1903: A new county courthouse is built in Concord.
  • 1907: The League of New Hampshire Craftsmen is formed in Concord.
  • 1941: The Mount Sunapee Resort opens in Newbury.
  • 1968: Merrimack Valley High School is established in Penacook.