Norfolk County, Massachusetts

Norfolk County is a county in the U.S. state of Massachusetts. As of the 2020 census, the population was 725,981.^[1] The county seat is Dedham.^[2] The county was named after the English county of the same name.^[3] Two towns, Cohasset and Brookline, are exclaves. It is the richest county in Massachusetts.

Norfolk County
County
Norfolk County Courthouse in Dedham
Flag Seal
Motto(s):  Antiquity, Perseverance, History, Industry
Location within the U.S. state of Massachusetts
Massachusetts's location within the U.S.
Coordinates: 42°11′57″N 71°09′16″W
Country	United States
State	Massachusetts
Founded	1793
Named for	Norfolk
Seat	Dedham
Largest city	Quincy
Area
• Total	444 sq mi (1,150 km2)
• Land	396 sq mi (1,030 km2)
• Water	48 sq mi (120 km2)  11%
Population  (2020)
• Total	725,981
• Density	1,833/sq mi (708/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional districts	2nd, 4th, 7th, 8th
Website	www.norfolkcounty.org

Norfolk County was created on March 26, 1793.