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

Counties in Maine by net international migration rate, July to June

Cumberland County had the highest net international migration rate, July to June of 16 counties in 2018, at 1.9 per 1,000 inhabitants. Somerset County had the lowest, at -0.06 per 1,000 inhabitants. The median was 0.44 per 1,000 inhabitants and the figure for Maine was 0.77 per 1,000 inhabitants. Source: the U.S. Census Bureau.

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Highest1.9Cumberland County
Lowest-0.06Somerset County
Median0.4416 counties
Maine0.77History

Map of counties, 2018

Androscoggin County: 1.23 per 1,000 inhabitantsAroostook County: 0.56 per 1,000 inhabitantsCumberland County: 1.9 per 1,000 inhabitantsFranklin County: 0 per 1,000 inhabitantsHancock County: 0.66 per 1,000 inhabitantsKennebec County: 0.33 per 1,000 inhabitantsKnox County: 0.25 per 1,000 inhabitantsLincoln County: 0.41 per 1,000 inhabitantsOxford County: 0.23 per 1,000 inhabitantsPenobscot County: 0.57 per 1,000 inhabitantsPiscataquis County: 0.6 per 1,000 inhabitantsSagadahoc County: 0.08 per 1,000 inhabitantsSomerset County: -0.06 per 1,000 inhabitantsWaldo County: 0.48 per 1,000 inhabitantsWashington County: 1.15 per 1,000 inhabitantsYork County: 0.15 per 1,000 inhabitants
  • Under 0
  • 0 to 0.3
  • 0.3 to 0.58
  • 0.58 and over
per 1,000 inhabitants, 2018. Red areas are below zero and blue areas above it. 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. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2018

Cumberland County: 1.9 per 1,000 inhabitantsCumberland County1.9Androscoggin County: 1.23 per 1,000 inhabitantsAndroscoggin County1.23Washington County: 1.15 per 1,000 inhabitantsWashington County1.15Hancock County: 0.66 per 1,000 inhabitantsHancock County0.66Piscataquis County: 0.6 per 1,000 inhabitantsPiscataquis County0.6Penobscot County: 0.57 per 1,000 inhabitantsPenobscot County0.57Aroostook County: 0.56 per 1,000 inhabitantsAroostook County0.56Waldo County: 0.48 per 1,000 inhabitantsWaldo County0.48Lincoln County: 0.41 per 1,000 inhabitantsLincoln County0.41Kennebec County: 0.33 per 1,000 inhabitantsKennebec County0.33Knox County: 0.25 per 1,000 inhabitantsKnox County0.25Oxford County: 0.23 per 1,000 inhabitantsOxford County0.23York County: 0.15 per 1,000 inhabitantsYork County0.15Sagadahoc County: 0.08 per 1,000 inhabitantsSagadahoc County0.08Franklin County: 0 per 1,000 inhabitantsFranklin County0Somerset County: -0.06 per 1,000 inhabitantsSomerset County-0.06Cumberland County: 1.9 per 1,000 inhabitantsCumberland County1.9Androscoggin County: 1.23 per 1,000 inhabitantsAndroscoggin County1.23Washington County: 1.15 per 1,000 inhabitantsWashington County1.15Hancock County: 0.66 per 1,000 inhabitantsHancock County0.66Piscataquis County: 0.6 per 1,000 inhabitantsPiscataquis County0.6Penobscot County: 0.57 per 1,000 inhabitantsPenobscot County0.57Aroostook County: 0.56 per 1,000 inhabitantsAroostook County0.56Waldo County: 0.48 per 1,000 inhabitantsWaldo County0.48Lincoln County: 0.41 per 1,000 inhabitantsLincoln County0.41Kennebec County: 0.33 per 1,000 inhabitantsKennebec County0.33Knox County: 0.25 per 1,000 inhabitantsKnox County0.25Oxford County: 0.23 per 1,000 inhabitantsOxford County0.23York County: 0.15 per 1,000 inhabitantsYork County0.15Sagadahoc County: 0.08 per 1,000 inhabitantsSagadahoc County0.08Franklin County: 0 per 1,000 inhabitantsFranklin County0Somerset County: -0.06 per 1,000 inhabitantsSomerset County-0.06
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

RankCounties2018
per 1,000 inhabitants		Change on 2017
1Cumberland County Estimated1.9+0.42 pts
2Androscoggin County Estimated1.23+0.27 pts
3Washington County Estimated1.15+0.36 pts
4Hancock County Estimated0.66+0.13 pts
5Piscataquis County Estimated0.6+0.06 pts
6Penobscot County Estimated0.57+0.14 pts
7Aroostook County Estimated0.56+0.2 pts
8Waldo County Estimated0.48+0.05 pts
9Lincoln County Estimated0.41+0.14 pts
10Kennebec County Estimated0.33+0.07 pts
11Knox County Estimated0.25+0.03 pts
12Oxford County Estimated0.23+0.05 pts
13York County Estimated0.15+0.09 pts
14Sagadahoc County Estimated0.08+0.03 pts
15Franklin County Estimated0+0.03 pts
16Somerset County Estimated-0.06+0.04 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 Maine by net international migration rate, July to June, 2018) [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 Maine by net international migration rate, July to June, 2018. 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/maine-counties?period=2018. 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 Maine by net international migration rate, July to June, 2018. 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/maine-counties?period=2018.

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 Maine by net international migration rate, July to June, 2018 [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/maine-counties?period=2018 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_maine_by_2018,
  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 Maine by net international migration rate, July to June, 2018}},
  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/maine-counties?period=2018. 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 Maine by net international migration rate, July to June, 2018
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/maine-counties?period=2018
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/maine-counties?period=2018.
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?

Cumberland County, with 1.9 per 1,000 inhabitants in 2018, according to the U.S. Census Bureau.

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

Somerset County, with -0.06 per 1,000 inhabitants in 2018.

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 Maine: more rankings