Waltham, Massachusetts

City
	Seal
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	Coordinates: 42°22′35″N 71°14′10″W / 42.37639°N 71.23611°WCoordinates: 42°22′35″N 71°14′10″W / 42.37639°N 71.23611°W
Country	United States
State	Massachusetts
County	Middlesex
Region	New England
Settled	1634
Incorporated as a Town	1738
Incorporated as a City	1884
Government
• Type	Mayor-council city
Area
• Total	13.76 sq mi (35.64 km2)
• Land	12.74 sq mi (33.01 km2)
• Water	1.02 sq mi (2.63 km2)
Elevation	50 ft (15 m)
Population (2020)
• Total	65,218
• Density	5,117.95/sq mi (1,975.99/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (Eastern)
ZIP Codes	02451–02454
FIPS code	25-72600
GNIS feature ID	0612400
Website	www.city.waltham.ma.us

Waltham is a city in Middlesex County, Massachusetts, United States. The population was 65,218 at the 2020 census.^[2]

Waltham, Massachusetts Media

Boston Manufacturing Company
View of Waltham, Massachusetts*Publisher: O.H. Bailey & Co.*Date: 1877*Dimension 51.0 x 66.0 cm. Scale: Not drawn to scale
The Charles River in Waltham
Age Distribution for Waltham, MA
Waltham Supermarket on Main Street, established in 1936, was a large historic grocery store that closed in the 1990s. The building continues to be a supermarket, occupied subsequently by Shaw's, then Victory, and now Hannaford.
Brandeis University sign
Deena (Drossin) Kastor