Data / Rankings / Net international migration, July to June / Counties in Massachusetts

Counties in Massachusetts by net international migration, July to June

Middlesex County had the highest net international migration, July to June of 14 counties in 2023, at 22,421. Nantucket County had the lowest, at 113. The median was 3,253 and the figure for Massachusetts was 77,588. Source: the U.S. Census Bureau.

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Highest22,421Middlesex County
Lowest113Nantucket County
Median3,25314 counties
Massachusetts77,588History

Map of counties, 2023

Barnstable County: 1,795 personsBerkshire County: 522 personsBristol County: 3,843 personsDukes County: 308 personsEssex County: 9,333 personsFranklin County: 183 personsHampden County: 2,662 personsHampshire County: 663 personsMiddlesex County: 22,421 personsNantucket County: 113 personsNorfolk County: 6,283 personsPlymouth County: 4,162 personsSuffolk County: 16,949 personsWorcester County: 8,351 persons
  • Under 400
  • 400 to 2,000
  • 2,000 to 4,100
  • 4,100 to 8,700
  • 8,700 and over
persons, 2023. Source: U.S. Census Bureau, Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Middlesex County: 22,421 personsMiddlesex County22,421Suffolk County: 16,949 personsSuffolk County16,949Essex County: 9,333 personsEssex County9,333Worcester County: 8,351 personsWorcester County8,351Norfolk County: 6,283 personsNorfolk County6,283Plymouth County: 4,162 personsPlymouth County4,162Bristol County: 3,843 personsBristol County3,843Hampden County: 2,662 personsHampden County2,662Barnstable County: 1,795 personsBarnstable County1,795Hampshire County: 663 personsHampshire County663Berkshire County: 522 personsBerkshire County522Dukes County: 308 personsDukes County308Franklin County: 183 personsFranklin County183Nantucket County: 113 personsNantucket County113Middlesex County: 22,421 personsMiddlesex County22,421Suffolk County: 16,949 personsSuffolk County16,949Essex County: 9,333 personsEssex County9,333Worcester County: 8,351 personsWorcester County8,351Norfolk County: 6,283 personsNorfolk County6,283Plymouth County: 4,162 personsPlymouth County4,162Bristol County: 3,843 personsBristol County3,843Hampden County: 2,662 personsHampden County2,662Barnstable County: 1,795 personsBarnstable County1,795Hampshire County: 663 personsHampshire County663Berkshire County: 522 personsBerkshire County522Dukes County: 308 personsDukes County308Franklin County: 183 personsFranklin County183Nantucket County: 113 personsNantucket County113
persons. Source: U.S. Census Bureau, Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved 2026-10-12.

Full ranking

RankCounties2023
persons		Change on 2022
1Middlesex County Estimated22,421-8.1%
2Suffolk County Estimated16,949+16.5%
3Essex County Estimated9,333+9.5%
4Worcester County Estimated8,351+8.9%
5Norfolk County Estimated6,283-4%
6Plymouth County Estimated4,162+31.5%
7Bristol County Estimated3,843+10.2%
8Hampden County Estimated2,662+36.7%
9Barnstable County Estimated1,795+15%
10Hampshire County Estimated663-15.2%
11Berkshire County Estimated522+33.2%
12Dukes County Estimated308+2%
13Franklin County Estimated183+8.9%
14Nantucket County Estimated113+8.7%

Other periods

About this ranking

Estimated moves into the area from abroad minus moves out of the area to other countries, from July 1 of the previous year through June 30 of the reported year.

More on how it is measured
  • United States: Census Bureau estimates, including people born in the United States and abroad, moves between the states and Puerto Rico, and net movement of the Armed Forces overseas.
  • Canada: Statistics Canada immigrants, minus net emigration, plus the net change in non-permanent residents.
  • Australia: ABS net overseas migration for the financial year.
  • United Kingdom local authorities: Office for National Statistics mid-year estimates, counting people who move for at least 12 months.

A component of each country's official population estimates. Methods differ between the statistical offices, so compare places within a country first. Differs from the World Bank net_migration series, which uses calendar years and a different method.

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. Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. 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). Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021 (Counties in Massachusetts by net international migration, July to June, 2023) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in Massachusetts by net international migration, July to June, 2023. U.S. Census Bureau, 26 Mar. 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/net-international-migration-july-june/massachusetts-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Counties in Massachusetts by net international migration, July to June, 2023. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/net-international-migration-july-june/massachusetts-counties?period=2023.

Harvard

U.S. Census Bureau (2026) Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in Massachusetts by net international migration, July to June, 2023 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/net-international-migration-july-june/massachusetts-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_massachusetts_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in Massachusetts by net international migration, July to June, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-july-june/massachusetts-counties?period=2023. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in Massachusetts by net international migration, July to June, 2023
PY  - 2026
DA  - 2026/03/26
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/net-international-migration-july-june/massachusetts-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-july-june/massachusetts-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest net international migration, July to June?

Middlesex County, with 22,421 in 2023, according to the U.S. Census Bureau.

Which county has the lowest net international migration, July to June?

Nantucket County, with 113 in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: net international migration, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved 2026-10-12.

Net international migration, July to June: other rankings

Counties in Massachusetts: more rankings