Laconia is a city in Belknap County, New Hampshire, USA. The population was 16,411 at the 2000 census. It is the county seat of Belknap County. Laconia, situated near Lake Winnipesaukee, includes the villages of Lakeport and Weirs Beach. Each June for nine days beginning on the Saturday of the weekend before Father's Day and ending on Father's Day, the city hosts Laconia Motorcycle Week, also more simply known as 'bike week', one of the country's largest rallies, and each winter, the Laconia World Championship Sled Dog Derby. Laconia includes a branch of the New Hampshire Community Technical Colleges. Laconia apartments for rent comparison page shows most up to date rent information on Laconia apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.