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About this map

Income inequality on a 0-to-1 scale. 0 means every household earns the same; higher means income is concentrated among fewer households. The U.S. scores about 0.48. Lower is more equal.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
0.483
Maine
0.456
Rankings
Full list

Top and bottom zip codes in Maine

Zip codes with 1,000+ residents

Zip codes with the most income inequality

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  1. 104088Waterford0.619
  2. 204785Van Buren0.611
  3. 304957Norridgewock0.602
  4. 404911Anson0.576
  5. 504041Hiram0.551
  6. 604743Fort Kent0.544
  7. 704051Lovell0.537
  8. 803907Ogunquit0.532
  9. 904947Kingfield0.527
  10. 1004614Blue Hill0.520

Zip codes with the least income inequality

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  1. 104085Steep Falls0.299
  2. 204061North Waterboro0.302
  3. 304048Limerick0.315
  4. 404438Frankfort0.317
  5. 504456Levant0.321
  6. 604282Turner0.324
  7. 703905Kittery Point0.327
  8. 804027Lebanon0.327
  9. 904354Palermo0.328
  10. 1004435Exeter0.329

Income inequality (Gini) by county in Maine

  1. 1Aroostook County0.465
  2. 2Cumberland County0.460
  3. 3Washington County0.459
  4. 4Oxford County0.459
  5. 5Hancock County0.458
  6. 6Franklin County0.456
  7. 7Penobscot County0.453
  8. 8Piscataquis County0.452
  9. 9Knox County0.447
  10. 10Somerset County0.447
  11. 11Lincoln County0.443
  12. 12Sagadahoc County0.436
  13. 13Waldo County0.433
  14. 14Androscoggin County0.433
  15. 15Kennebec County0.432
  16. 16York County0.427

Questions about this map

Which zip code has the highest income inequality (gini) in Maine?

Among zip codes with at least 1,000 residents, 04088 (Waterford, ME) has the highest: 0.619.

Which zip code has the lowest income inequality (gini) in Maine?

04085 (Steep Falls, ME) has the lowest: 0.299.

What is the income inequality (gini) for the United States?

0.483; in Maine it is 0.456.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Income inequality on a 0-to-1 scale. 0 means every household earns the same; higher means income is concentrated among fewer households. The U.S. scores about 0.48. Lower is more equal.

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