CensusEasy
RANKING · 1990 CENSUS · 16 SHOWN OF 16

Least racially diverse, Maine counties · 1990

Maine counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (1990 ACS). This list covers the 16 counties in Maine that qualify, ranked against each other statewide. The median across all 16 is 4.

Flip the list · Most racially diverse, US counties →
Least racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS –
01Knox County, MEME41,1172–
02Oxford County, MEME60,3462–
03Somerset County, MEME51,6203–
04Waldo County, MEME40,6933–
05Franklin County, MEME30,8243–
07Lincoln County, MEME36,5953–
08Kennebec County, MEME129,0674–
09Hancock County, MEME57,1714–
11York County, MEME222,4345–
12Penobscot County, MEME157,9676–
13Cumberland County, MEME317,2226–
14Sagadahoc County, MEME37,9797–
15Aroostook County, MEME66,6098–
16Washington County, MEME31,33412–
SHOWING 1–16 OF 16

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