RANKING · 2010 CENSUS · 16 SHOWN OF 16

Fastest shrinking, Maine counties · 2010

Maine counties with the steepest population decline from the 2000 census to 2010. This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Washington County, MEME31,334-3.2%−17%

02Aroostook County, MEME66,609-2.8%−81%

03Sagadahoc County, MEME37,979+0.2%−96%

04Knox County, MEME41,117+0.3%−97%

05Piscataquis County, MEME17,409+1.7%−123%

06Lincoln County, MEME36,595+2.5%−77%

07Somerset County, MEME51,620+2.6%+17%

08Androscoggin County, MEME116,487+3.8%−370%

09Kennebec County, MEME129,067+4.3%+312%

10Franklin County, MEME30,824+4.4%+179%

11Hancock County, MEME57,171+5.1%−51%

12York County, MEME222,434+5.6%−59%

13Oxford County, MEME60,346+5.6%+37%

14Cumberland County, MEME317,222+6.0%−35%

15Penobscot County, MEME157,967+6.2%−642%

16Waldo County, MEME40,693+6.9%−30%

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS