RANKING · 2024 ACS · 16 SHOWN OF 16

Largest senior population, Maine counties

Maine counties home to the most residents aged 65 and over as of 2024. Ranked by number of people, not the senior share. This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

MaineAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Cumberland County, MEME317,22262,956+78%

02York County, MEME222,43448,418+90%

03Penobscot County, MEME157,96731,088+64%

04Kennebec County, MEME129,06726,806+61%

05Androscoggin County, MEME116,48721,459+43%

06Aroostook County, MEME66,60917,212+37%

07Hancock County, MEME57,17115,021+81%

08Oxford County, MEME60,34614,181+61%

09Somerset County, MEME51,62011,723+61%

10Knox County, MEME41,11711,459+68%

11Lincoln County, MEME36,59510,625+74%

12Waldo County, MEME40,69310,091+104%

13Sagadahoc County, MEME37,9799,180+112%

14Washington County, MEME31,3348,253+41%

15Franklin County, MEME30,8247,211+72%

16Piscataquis County, MEME17,4094,737+58%

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES