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%−3.0 pts

02Penobscot County, MEME157,967+6.2%+7.4 pts

03Cumberland County, MEME317,222+6.0%−3.2 pts

04Oxford County, MEME60,346+5.6%+1.5 pts

05York County, MEME222,434+5.6%−7.9 pts

06Hancock County, MEME57,171+5.1%−5.2 pts

07Franklin County, MEME30,824+4.4%+2.8 pts

08Kennebec County, MEME129,067+4.3%+3.3 pts

09Androscoggin County, MEME116,487+3.8%+5.2 pts

10Somerset County, MEME51,620+2.6%+0.4 pts

11Lincoln County, MEME36,595+2.5%−8.2 pts

12Piscataquis County, MEME17,409+1.7%+9.3 pts

13Knox County, MEME41,117+0.3%−8.8 pts

14Sagadahoc County, MEME37,979+0.2%−4.8 pts

15Aroostook County, MEME66,609-2.8%+12.2 pts

16Washington County, MEME31,334-3.2%+0.7 pts

SHOWING 1–16 OF 16

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