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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
Connecticut
0.499
Rankings
Full list

Top and bottom zip codes in Connecticut

Zip codes with 1,000+ residents

Zip codes with the most income inequality

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  1. 106830Greenwich0.619
  2. 206269Storrs Mansfield0.605
  3. 306105Hartford0.589
  4. 406794Washington Depot0.588
  5. 506510New Haven0.569
  6. 606783Roxbury0.559
  7. 706831Greenwich0.554
  8. 806069Sharon0.554
  9. 906750Bantam0.554
  10. 1006710Waterbury0.550

Zip codes with the least income inequality

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  1. 106023East Berlin0.309
  2. 206027East Hartland0.311
  3. 306081Tariffville0.317
  4. 406365Preston0.323
  5. 506782Plymouth0.330
  6. 606384Voluntown0.332
  7. 706063Barkhamsted0.335
  8. 806256North Windham0.339
  9. 906282Woodstock Valley0.341
  10. 1006755Gaylordsville0.344

Income inequality (Gini) by county in Connecticut

  1. 1Western Connecticut Planning Region0.545
  2. 2Greater Bridgeport Planning Region0.520
  3. 3Northwest Hills Planning Region0.477
  4. 4South Central Connecticut Planning Region0.477
  5. 5Capitol Planning Region0.469
  6. 6Naugatuck Valley Planning Region0.464
  7. 7Lower Connecticut River Valley Planning Region0.452
  8. 8Southeastern Connecticut Planning Region0.445
  9. 9Northeastern Connecticut Planning Region0.412

Questions about this map

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

Among zip codes with at least 1,000 residents, 06830 (Greenwich, CT) has the highest: 0.619.

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

06023 (East Berlin, CT) has the lowest: 0.309.

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

0.483; in Connecticut it is 0.499.

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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