RANKING · 2010 CENSUS · 16 SHOWN OF 16

Fastest growing, Maine counties · 2010

Maine counties ranked by population growth 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 shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Waldo County, MEME40,693+6.9%−30%

02Penobscot County, MEME157,967+6.2%−642%

03Cumberland County, MEME317,222+6.0%−35%

04Oxford County, MEME60,346+5.6%+37%

05York County, MEME222,434+5.6%−59%

06Hancock County, MEME57,171+5.1%−51%

07Franklin County, MEME30,824+4.4%+179%

08Kennebec County, MEME129,067+4.3%+312%

09Androscoggin County, MEME116,487+3.8%−370%

10Somerset County, MEME51,620+2.6%+17%

11Lincoln County, MEME36,595+2.5%−77%

12Piscataquis County, MEME17,409+1.7%−123%

13Knox County, MEME41,117+0.3%−97%

14Sagadahoc County, MEME37,979+0.2%−96%

15Aroostook County, MEME66,609-2.8%−81%

16Washington County, MEME31,334-3.2%−17%

SHOWING 1–16 OF 16

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