Welcome to Waltham

Waltham is a city on the Charles River in the eastern part of Massachusetts, about 10 miles west of Boston. The population as of the 2020 census was 65,218. It was formed in 1738 when it separated from Watertown. The mayor is Jeannette McCarthy. The Waltham Watch Factory, founded in the 1850's, pioneered the mass production of watches. The city was named after Waltham, England.