RANKING · 2000 CENSUS · 16 SHOWN OF 16

Most densely populated, Maine counties · 2000

Maine counties ranked by residents per square mile (2000). This list covers the 16 counties in Maine that qualify, ranked against each other statewide. The median across all 16 is 50.

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SAME RANKING BYCities States Metros

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

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 1990

01Cumberland County, MEME317,222318+9%

02Androscoggin County, MEME116,487222−1%

03York County, MEME222,434188+13%

04Sagadahoc County, MEME37,979139+5%

05Kennebec County, MEME129,067135+1%

06Knox County, MEME41,117108+9%

07Lincoln County, MEME36,59574+11%

08Waldo County, MEME40,69350+10%

09Penobscot County, MEME157,96743−1%

10Hancock County, MEME57,17133+10%

11Oxford County, MEME60,34626+4%

12Franklin County, MEME30,82417+2%

13Washington County, MEME31,33413−4%

14Somerset County, MEME51,62013+2%

15Aroostook County, MEME66,60911−15%

16Piscataquis County, MEME17,4094−8%

SHOWING 1–16 OF 16

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS