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%+0.7 pts

02Aroostook County, MEME66,609-2.8%+12.2 pts

03Sagadahoc County, MEME37,979+0.2%−4.8 pts

04Knox County, MEME41,117+0.3%−8.8 pts

05Piscataquis County, MEME17,409+1.7%+9.3 pts

06Lincoln County, MEME36,595+2.5%−8.2 pts

07Somerset County, MEME51,620+2.6%+0.4 pts

08Androscoggin County, MEME116,487+3.8%+5.2 pts

09Kennebec County, MEME129,067+4.3%+3.3 pts

10Franklin County, MEME30,824+4.4%+2.8 pts

11Hancock County, MEME57,171+5.1%−5.2 pts

12York County, MEME222,434+5.6%−7.9 pts

13Oxford County, MEME60,346+5.6%+1.5 pts

14Cumberland County, MEME317,222+6.0%−3.2 pts

15Penobscot County, MEME157,967+6.2%+7.4 pts

16Waldo County, MEME40,693+6.9%−3.0 pts

SHOWING 1–16 OF 16

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS