RANKING · 2024 ACS · 16 SHOWN OF 16

Largest households, Maine counties

Maine counties ranked by average household size (2024 ACS). This list covers the 16 counties in Maine that qualify, ranked against each other statewide. The median across all 16 is 2.25. Biggest climber in the top 100 since 2020: Androscoggin County, ME, up 6 places to #2.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Oxford County, MEME60,3462.42−1%

02▲6Androscoggin County, MEME116,4872.330%

03▼1York County, MEME222,4342.33−4%

04Franklin County, MEME30,8242.30−2%

05▼2Cumberland County, MEME317,2222.26−3%

06▼1Penobscot County, MEME157,9672.26−3%

07▲2Kennebec County, MEME129,0672.25−4%

08▲3Sagadahoc County, MEME37,9792.25−7%

09▲1Waldo County, MEME40,6932.25−5%

10▲3Aroostook County, MEME66,6092.18−5%

11▼4Somerset County, MEME51,6202.16−8%

12Hancock County, MEME57,1712.14−5%

13▲1Washington County, MEME31,3342.14−6%

14▲2Lincoln County, MEME36,5952.13−5%

15Knox County, MEME41,1172.12−9%

16▼10Piscataquis County, MEME17,4092.02−7%

SHOWING 1–16 OF 16

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES