RANKING · 2010 CENSUS · 16 SHOWN OF 16

Most income inequality (Gini), Maine counties · 2010

Maine counties ranked by Gini index of household income inequality, where 0 = perfect equality and 1 = maximum inequality (2023 ACS). This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2024

RANKPLACESTATEPOPINCOME INEQUALITY (GINI)VS 2000

01Cumberland County, MEME317,2220.450–

02Somerset County, MEME51,6200.443–

03Lincoln County, MEME36,5950.442–

04Hancock County, MEME57,1710.437–

05Knox County, MEME41,1170.436–

06Penobscot County, MEME157,9670.436–

07Aroostook County, MEME66,6090.425–

08Washington County, MEME31,3340.424–

09Kennebec County, MEME129,0670.423–

10Oxford County, MEME60,3460.421–

11Waldo County, MEME40,6930.421–

12Piscataquis County, MEME17,4090.419–

13Androscoggin County, MEME116,4870.414–

14Franklin County, MEME30,8240.410–

15York County, MEME222,4340.398–

16Sagadahoc County, MEME37,9790.392–

SHOWING 1–16 OF 16

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