RANKING · 2024 ACS · 16 SHOWN OF 16

Largest foreign-born population, Maine counties

Maine counties with the most residents born outside the United States, as of the 2024 American Community Survey. Ranked by number of people, not share. This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

MaineAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS 2010

01Cumberland County, MEME317,22220,646+33%

02York County, MEME222,4348,629+41%

03Androscoggin County, MEME116,4876,351+76%

04Penobscot County, MEME157,9675,190+26%

05Kennebec County, MEME129,0673,096+9%

06Aroostook County, MEME66,6092,756−21%

07Hancock County, MEME57,1711,889+49%

08Knox County, MEME41,1171,283+60%

09Washington County, MEME31,3341,152−12%

10Waldo County, MEME40,693940+91%

11Sagadahoc County, MEME37,979928+5%

12Oxford County, MEME60,346838−9%

13Franklin County, MEME30,824812+33%

14Lincoln County, MEME36,595786+26%

15Somerset County, MEME51,620755−21%

16Piscataquis County, MEME17,409397+36%

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES