 | Parts of this article (those related to population figure) need to be updated. The reason given is: 2020 census. (March 2023) |
Norfolk County | |
|---|---|
    Images, from top down, left to right: Former residence of John Adams in Quincy; Trail in the Blue Hills Reservation; MBTA station in Brookline; Green Hall at Wellesley College | |
 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 / 42.199158°N 71.154442°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 |
• Estimate (2023) | 727,473  |
| • Density | 1,600/sq mi (630/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 2nd, 4th, 7th, 8th |
| Website | norfolkcounty |
Norfolk County (/ˈnɔːrfək/ NOR-fək) is located in the U.S. state of Massachusetts. At the 2020 census, the population was 725,981.[1] Its county seat is Dedham.[2] It is the fourth most populous county in the United States whose county seat is neither a city nor a borough, and it is the second most populous county that has a county seat at a town. The county was named after the English county of the same name.[3] Two towns, Cohasset and Brookline, are exclaves. Norfolk County is included in the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area. Norfolk County is the 24th highest-income county in the United States with a median household income of $107,361. It is the wealthiest county in Massachusetts.
- ^ "2020 Census Demographic Data Map Viewer". United States Census Bureau. Retrieved August 12, 2021.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ Thomas Cox, Anthony Hall, Robert Morden, Magna Britannia Antiqua & Nova: Or, A New, Exact, and Comprehensive Survey of the Ancient and Present State of Great Britain, Volume 5, (Caesar Ward and Richard Chandler: London, 1738), pg. 171 (accessed on Google Book Search, June 22, 2008)