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

Counties in Connecticut by net international migration rate, July to June, 2025

Western Connecticut Planning Region had the highest net international migration rate, July to June of 9 counties in 2025, at 7.44 per 1,000 inhabitants. Northeastern Connecticut Planning Region had the lowest, at 1.03 per 1,000 inhabitants. The median was 3.31 per 1,000 inhabitants and the figure for Connecticut was 4.76 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest7.44Western Connecticut Planning Region
Lowest1.03Northeastern Connecticut Planning Region
Median3.319 counties
Connecticut4.76History

All counties, 2025

Western Connecticut Planning Region: 7.44 per 1,000 inhabitantsWestern Connecticut Planning Regi…7.44Greater Bridgeport Planning Region: 7.01 per 1,000 inhabitantsGreater Bridgeport Planning Region7.01Capitol Planning Region: 4.78 per 1,000 inhabitantsCapitol Planning Region4.78South Central Connecticut Planning Region: 4.73 per 1,000 inhabitantsSouth Central Connecticut Plannin…4.73Naugatuck Valley Planning Region: 3.31 per 1,000 inhabitantsNaugatuck Valley Planning Region3.31Northwest Hills Planning Region: 2.52 per 1,000 inhabitantsNorthwest Hills Planning Region2.52Southeastern Connecticut Planning Region: 2.26 per 1,000 inhabitantsSoutheastern Connecticut Planning…2.26Lower Connecticut River Valley Planning Region: 2.14 per 1,000 inhabitantsLower Connecticut River Valley Pl…2.14Northeastern Connecticut Planning Region: 1.03 per 1,000 inhabitantsNortheastern Connecticut Planning…1.03
per 1,000 inhabitants. Source: U.S. Census Bureau, Population Estimates Program: net international migration rate per 1,000 residents, 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

RankCounties2025
per 1,000 inhabitants		Change on 2024
1Western Connecticut Planning Region Estimated7.44-8.05 pts
2Greater Bridgeport Planning Region Estimated7.01-8.15 pts
3Capitol Planning Region Estimated4.78-3.46 pts
4South Central Connecticut Planning Region Estimated4.73-6.15 pts
5Naugatuck Valley Planning Region Estimated3.31-3.73 pts
6Northwest Hills Planning Region Estimated2.52-2.83 pts
7Southeastern Connecticut Planning Region Estimated2.26-2.78 pts
8Lower Connecticut River Valley Planning Region Estimated2.14-2.26 pts
9Northeastern Connecticut Planning Region Estimated1.03-0.55 pts

Other periods

About this ranking

Net international migration from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.

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 rate per 1,000 residents, 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 rate per 1,000 residents, 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 Connecticut by net international migration rate, July to June, 2025) [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 rate per 1,000 residents, 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 Connecticut by net international migration rate, July to June, 2025. 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-rate-july-june/connecticut-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program: net international migration rate per 1,000 residents, 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 Connecticut by net international migration rate, July to June, 2025. 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-rate-july-june/connecticut-counties.

Harvard

U.S. Census Bureau (2026) Population Estimates Program: net international migration rate per 1,000 residents, 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 Connecticut by net international migration rate, July to June, 2025 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/net-international-migration-rate-july-june/connecticut-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_connecticut_by_2025,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program: net international migration rate per 1,000 residents, 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 Connecticut by net international migration rate, July to June, 2025}},
  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-rate-july-june/connecticut-counties. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, 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 rate per 1,000 residents, 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 Connecticut by net international migration rate, July to June, 2025
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-rate-july-june/connecticut-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/connecticut-counties.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, 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 rate, July to June?

Western Connecticut Planning Region, with 7.44 per 1,000 inhabitants in 2025, according to the U.S. Census Bureau.

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

Northeastern Connecticut Planning Region, with 1.03 per 1,000 inhabitants in 2025.

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 rate per 1,000 residents, 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 rate, July to June: other rankings

Counties in Connecticut: more rankings