Data / Rankings / Residents who moved from another state in the past year / Counties in Massachusetts

Counties in Massachusetts by residents who moved from another state in the past year

Suffolk County had the highest residents who moved from another state in the past year of 14 counties in 2021, at 4.1%. Plymouth County had the lowest, at 1%. The median was 2.2% and the figure for Massachusetts was 2.2%. Source: the U.S. Census Bureau.

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Highest4.1Suffolk County
Lowest1Plymouth County
Median2.214 counties
Massachusetts2.2History

Map of counties, 2021

Barnstable County: 2.3 %Berkshire County: 2.9 %Bristol County: 1.3 %Dukes County: 4 %Essex County: 1.2 %Franklin County: 1.5 %Hampden County: 1.5 %Hampshire County: 3.6 %Middlesex County: 2.7 %Nantucket County: 3.5 %Norfolk County: 2 %Plymouth County: 1 %Suffolk County: 4.1 %Worcester County: 1.5 %
  • Under 1.4
  • 1.4 to 1.6
  • 1.6 to 2.6
  • 2.6 to 3.5
  • 3.5 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Suffolk County: 4.1 %Suffolk County4.1Dukes County: 4 %Dukes County4Hampshire County: 3.6 %Hampshire County3.6Nantucket County: 3.5 %Nantucket County3.5Berkshire County: 2.9 %Berkshire County2.9Middlesex County: 2.7 %Middlesex County2.7Barnstable County: 2.3 %Barnstable County2.3Norfolk County: 2 %Norfolk County2Worcester County: 1.5 %Worcester County1.5Franklin County: 1.5 %Franklin County1.5Hampden County: 1.5 %Hampden County1.5Bristol County: 1.3 %Bristol County1.3Essex County: 1.2 %Essex County1.2Plymouth County: 1 %Plymouth County1Suffolk County: 4.1 %Suffolk County4.1Dukes County: 4 %Dukes County4Hampshire County: 3.6 %Hampshire County3.6Nantucket County: 3.5 %Nantucket County3.5Berkshire County: 2.9 %Berkshire County2.9Middlesex County: 2.7 %Middlesex County2.7Barnstable County: 2.3 %Barnstable County2.3Norfolk County: 2 %Norfolk County2Worcester County: 1.5 %Worcester County1.5Franklin County: 1.5 %Franklin County1.5Hampden County: 1.5 %Hampden County1.5Bristol County: 1.3 %Bristol County1.3Essex County: 1.2 %Essex County1.2Plymouth County: 1 %Plymouth County1
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Suffolk County4.1
2Dukes County4
3Hampshire County3.6
4Nantucket County3.5
5Berkshire County2.9
6Middlesex County2.7
7Barnstable County2.3
8Norfolk County2
9Worcester County1.5
10Franklin County1.5
11Hampden County1.5
12Bristol County1.3
13Essex County1.2
14Plymouth County1

Other periods

About this ranking

People aged 1 and over who lived in a different US state one year earlier, as a percentage of all people aged 1 and over living in the area. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Counts people who arrived, not net migration: people who left are not subtracted. Moves from abroad are left out. For the nation it is everyone who changed state.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs (Counties in Massachusetts by residents who moved from another state in the past year, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat

MLA 9

American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs, Counties in Massachusetts by residents who moved from another state in the past year, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat. Invokely, https://invokely.ai/rankings/moved-from-another-state/massachusetts-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. Counties in Massachusetts by residents who moved from another state in the past year, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat. Also distributed by Invokely, https://invokely.ai/rankings/moved-from-another-state/massachusetts-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs, Counties in Massachusetts by residents who moved from another state in the past year, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat, via Invokely: https://invokely.ai/rankings/moved-from-another-state/massachusetts-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_massachusetts_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs: Counties in Massachusetts by residents who moved from another state in the past year, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/moved-from-another-state/massachusetts-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs: Counties in Massachusetts by residents who moved from another state in the past year, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat
L2  - https://invokely.ai/rankings/moved-from-another-state/massachusetts-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/moved-from-another-state/massachusetts-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b07003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Massachusetts by residents who moved from another state in the past year using official data, and cite the source.
rank_places {"indicator":"moved_from_other_state_share","level":"province","within":"Massachusetts","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=moved_from_other_state_share&level=province&within=Massachusetts&limit=10

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Questions

Which county has the highest residents who moved from another state in the past year?

Suffolk County, with 4.1% in 2021, according to the U.S. Census Bureau.

Which county has the lowest residents who moved from another state in the past year?

Plymouth County, with 1% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. Retrieved 2026-10-12.

Residents who moved from another state in the past year: other rankings

Counties in Massachusetts: more rankings