RANKING · 2010 CENSUS · 16 SHOWN OF 16

Fastest shrinking, Maine counties · 2010

Maine counties with the steepest population decline since the prior decennial census. This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

Flip the list · Fastest growing, US counties →

MaineAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

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

Download CSV (full list, 16 rows)

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