RANKING · 1990 CENSUS · 16 SHOWN OF 16

Highest median household income, Maine counties · 1990

Maine counties ranked by median household income from the 1990 American Community Survey 5-year estimates. 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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN HOUSEHOLD INCOMEVS –

01York County, MEME222,434$32,432–

02Cumberland County, MEME317,222$32,286–

03Sagadahoc County, MEME37,979$31,948–

04Kennebec County, MEME129,067$28,616–

05Lincoln County, MEME36,595$28,373–

06Androscoggin County, MEME116,487$26,979–

07Penobscot County, MEME157,967$26,631–

08Knox County, MEME41,117$25,405–

09Hancock County, MEME57,171$25,247–

10Oxford County, MEME60,346$24,535–

11Franklin County, MEME30,824$24,432–

12Waldo County, MEME40,693$23,148–

13Somerset County, MEME51,620$22,829–

14Aroostook County, MEME66,609$22,230–

15Piscataquis County, MEME17,409$22,132–

16Washington County, MEME31,334$19,993–

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS