Dover is a city in Strafford County, New Hampshire, in the northeastern United States. Long established as a regional center, it is the largest community in the New Hampshire Seacoast area. The city had a population of 29,987 at the 2010 census, with estimates in the late 2010s placing it above 31,000 residents. Dover also serves as the county seat of Strafford County.

Overview and character

Dover combines a compact downtown, riverfront parks and preserved mill complexes along the Cochecho River. The historic mill buildings and brick warehouses recall the city’s industrial past while many of those structures now host offices, housing and small businesses. Dover’s economy today mixes health care, retail, light manufacturing, education-related services and local government functions.

History and development

Founded by English colonists and shaped by water-powered industry, Dover grew in the 18th and 19th centuries as mills harnessed the river. Over time the city diversified as traditional manufacturing declined, adapting older industrial sites for new uses and promoting cultural and recreational redevelopment along the riverfront.

Institutions and attractions

Notable institutions include Wentworth-Douglass Hospital, which provides regional medical services, the Woodman Institute Museum with local history and natural science collections, and the Children's Museum of New Hampshire, which offers interactive exhibits for families. Downtown Dover hosts a mix of independent shops, restaurants and civic buildings, and community programming often centers on riverfront festivals and seasonal markets.

Transportation, education and community life

Dover is connected to neighboring communities by regional roads and public transit links; the nearby University of New Hampshire in Durham contributes to the broader area's educational and cultural life. Parks, walking trails, and recreational facilities provide outdoor opportunities, while preservation of historic architecture remains a local priority.

Notable facts and distinctions

  • County seat of Strafford County and a principal city of the Seacoast region.
  • Historic mill town that has pursued adaptive reuse of industrial buildings.
  • Home to several museums and a regional hospital that serve surrounding towns.

For visitors and residents alike, Dover offers a combination of New England heritage, civic institutions and evolving downtown amenities that reflect both its past and contemporary regional role.