RANKING · 2010 CENSUS · 16 SHOWN OF 16

Most foreign-born residents, Maine counties · 2010

Maine counties ranked by the share of residents born outside the US (2023 ACS). This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

MaineAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Youngest by median age Highest uninsured rate Most women Most men Highest disability rate

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2000

01Cumberland County, MEME317,2225.5%–

02Aroostook County, MEME66,6094.9%–

03Washington County, MEME31,3344.0%–

04Androscoggin County, MEME116,4873.4%–

05York County, MEME222,4343.1%–

06Penobscot County, MEME157,9672.7%–

07Sagadahoc County, MEME37,9792.5%–

08Hancock County, MEME57,1712.3%–

09Kennebec County, MEME129,0672.3%–

10Knox County, MEME41,1172.0%–

11Franklin County, MEME30,8242.0%–

12Somerset County, MEME51,6201.8%–

13Lincoln County, MEME36,5951.8%–

14Piscataquis County, MEME17,4091.7%–

15Oxford County, MEME60,3461.6%–

16Waldo County, MEME40,6931.3%–

SHOWING 1–16 OF 16

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES