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Home >> State of Massachusetts >> Suffolk County  

Welcome to Suffolk County ...

Time Zone: Suffolk County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Boston is the Seat for Suffolk County. Boston is also the capital of Massachusetts.

Suffolk County is one of the original counties of Massachusetts and was founded in 1643.

From the Census Estimates for 2019, <1> Suffolk had a population of 803,907 people. This is an increase of 10.77% since the last Census (which gave a population of 725,772 people in 2010).

At the time of the 2010 Census, Suffolk represented 11.08% of the total population of Massachusetts.

Below are some of the communities located in Suffolk County:

  • Boston
    (Less than 2 miles to the northeast)
    • Boston is located in Suffolk County (MA)
    • Jump to our Gazetteer entry for Boston
    • Population from the 2020 Census: 691,531 people
  • Chelsea
    (4 miles [6.4 km] to the northeast)
    • Chelsea is located in Suffolk County (MA)
    • Jump to our Gazetteer entry for Chelsea
    • Population from the 2020 Census: 39,230 people
  • Revere
    (6 miles [9.7 km] to the northeast)
    • Revere is located in Suffolk County (MA)
    • Jump to our Gazetteer entry for Revere
    • Population from the 2020 Census: 52,375 people
  • Winthrop
    (5 miles [8 km] to the northeast)
    • Winthrop is located in Suffolk County (MA)
    • Jump to our Gazetteer entry for Winthrop
    • Population from the 2020 Census: 18,446 people

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.