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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
Illinois
0.481
Rankings
Full list

Top and bottom zip codes in Illinois

Zip codes with 1,000+ residents

Zip codes with the most income inequality

See all
  1. 162917Carrier Mills0.637
  2. 261820Champaign0.636
  3. 360637Chicago0.612
  4. 460653Chicago0.600
  5. 560612Chicago0.595
  6. 660201Evanston0.591
  7. 760523Oak Brook0.586
  8. 861602Peoria0.586
  9. 962930Eldorado0.579
  10. 1062701Springfield0.578

Zip codes with the least income inequality

See all
  1. 160511Big Rock0.238
  2. 262536Glenarm0.260
  3. 361038Garden Prairie0.264
  4. 462554Oreana0.270
  5. 561843Fisher0.284
  6. 661528Edwards0.284
  7. 762225Scott Air Force Base0.288
  8. 860556Waterman0.288
  9. 960136Gilberts0.292
  10. 1060503Aurora0.301

Income inequality (Gini) by county in Illinois

  1. 1Saline County0.525
  2. 2Champaign County0.515
  3. 3Cook County0.504
  4. 4Wabash County0.499
  5. 5Jackson County0.494
  6. 6Hamilton County0.487
  7. 7Peoria County0.485
  8. 8Alexander County0.480
  9. 9Lake County0.480
  10. 10McLean County0.474
  11. 11McDonough County0.466
  12. 12Sangamon County0.464
  13. 13Wayne County0.462
  14. 14Macon County0.461
  15. 15Gallatin County0.459
  16. 16DuPage County0.459
  17. 17Union County0.459
  18. 18Scott County0.458
  19. 19Clay County0.457
  20. 20Franklin County0.456
  21. 21Knox County0.454
  22. 22Adams County0.454
  23. 23White County0.454
  24. 24St. Clair County0.452
  25. 25Coles County0.452
  26. 26DeKalb County0.450
  27. 27Winnebago County0.450
  28. 28Fayette County0.449
  29. 29Stark County0.448
  30. 30Morgan County0.446
  31. 31Greene County0.446
  32. 32Montgomery County0.445
  33. 33LaSalle County0.444
  34. 34Christian County0.444
  35. 35Kankakee County0.443
  36. 36Hancock County0.443
  37. 37Vermilion County0.442
  38. 38Williamson County0.442
  39. 39Crawford County0.441
  40. 40Rock Island County0.441
  41. 41Madison County0.441
  42. 42Pulaski County0.440
  43. 43Whiteside County0.439
  44. 44Bond County0.437
  45. 45Johnson County0.436
  46. 46Edwards County0.435
  47. 47Lee County0.435
  48. 48Marion County0.434
  49. 49Ford County0.434
  50. 50Iroquois County0.434
  51. 51Jefferson County0.433
  52. 52Pike County0.433
  53. 53Kane County0.433
  54. 54Pope County0.432
  55. 55Fulton County0.432
  56. 56Macoupin County0.431
  57. 57Warren County0.430
  58. 58Lawrence County0.429
  59. 59Clinton County0.428
  60. 60Jo Daviess County0.428
  61. 61Schuyler County0.427
  62. 62Henry County0.426
  63. 63Tazewell County0.426
  64. 64Moultrie County0.425
  65. 65Jersey County0.425
  66. 66Mason County0.424
  67. 67Effingham County0.423
  68. 68Richland County0.423
  69. 69Logan County0.422
  70. 70Edgar County0.422
  71. 71Boone County0.422
  72. 72Bureau County0.422
  73. 73Massac County0.421
  74. 74Stephenson County0.420
  75. 75Cass County0.416
  76. 76McHenry County0.416
  77. 77Clark County0.416
  78. 78Will County0.416
  79. 79Mercer County0.414
  80. 80Perry County0.412
  81. 81Livingston County0.412
  82. 82Carroll County0.411
  83. 83Ogle County0.411
  84. 84Brown County0.411
  85. 85Marshall County0.411
  86. 86Woodford County0.410
  87. 87Randolph County0.408
  88. 88Piatt County0.407
  89. 89Hardin County0.406
  90. 90Menard County0.406
  91. 91Jasper County0.406
  92. 92Grundy County0.404
  93. 93De Witt County0.403
  94. 94Monroe County0.403
  95. 95Douglas County0.403
  96. 96Washington County0.403
  97. 97Cumberland County0.401
  98. 98Putnam County0.395
  99. 99Henderson County0.392
  100. 100Shelby County0.381
  101. 101Calhoun County0.379
  102. 102Kendall County0.361

Questions about this map

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

Among zip codes with at least 1,000 residents, 62917 (Carrier Mills, IL) has the highest: 0.637.

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

60511 (Big Rock, IL) has the lowest: 0.238.

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

0.483; in Illinois it is 0.481.

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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