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About this map

Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

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

U.S.
334,922,499
Illinois
12,694,798
Rankings
Full list

Top and bottom zip codes in Illinois

Zip codes with 1,000+ residents

Most populated zip codes

See all
  1. 160629Chicago108,324
  2. 260618Chicago91,901
  3. 360632Chicago89,107
  4. 460647Chicago84,749
  5. 560639Chicago84,240
  6. 660804Cicero82,797
  7. 760623Chicago81,277
  8. 860608Chicago80,737
  9. 960625Chicago76,760
  10. 1060617Chicago74,790

Least populated zip codes

See all
  1. 162625Cantrall1,003
  2. 262627Chandlerville1,006
  3. 361279Reynolds1,015
  4. 462982Rosiclare1,016
  5. 561447Kirkwood1,020
  6. 662355Nebo1,026
  7. 761844Fithian1,031
  8. 861018Dakota1,034
  9. 961413Alpha1,035
  10. 1061490Woodhull1,035

Population by county in Illinois

  1. 1Cook County5,182,090
  2. 2DuPage County930,024
  3. 3Lake County714,223
  4. 4Will County701,462
  5. 5Kane County517,255
  6. 6McHenry County312,591
  7. 7Winnebago County283,292
  8. 8Madison County264,238
  9. 9St. Clair County253,694
  10. 10Champaign County208,741
  11. 11Sangamon County194,947
  12. 12Peoria County179,645
  13. 13McLean County171,556
  14. 14Rock Island County142,757
  15. 15Kendall County137,675
  16. 16Tazewell County130,290
  17. 17LaSalle County108,714
  18. 18Kankakee County106,635
  19. 19Macon County101,849
  20. 20DeKalb County100,703
  21. 21Vermilion County72,386
  22. 22Williamson County66,876
  23. 23Adams County64,754
  24. 24Whiteside County54,947
  25. 25Boone County53,230
  26. 26Grundy County53,219
  27. 27Jackson County53,064
  28. 28Ogle County51,495
  29. 29Knox County49,046
  30. 30Henry County48,643
  31. 31Coles County46,777
  32. 32Macoupin County44,350
  33. 33Stephenson County43,768
  34. 34Woodford County38,312
  35. 35Franklin County37,323
  36. 36Marion County37,000
  37. 37Clinton County36,954
  38. 38Jefferson County36,550
  39. 39Livingston County35,565
  40. 40Monroe County35,036
  41. 41Effingham County34,522
  42. 42Lee County33,869
  43. 43Christian County33,538
  44. 44Morgan County33,021
  45. 45Fulton County33,020
  46. 46Bureau County32,866
  47. 47Randolph County30,058
  48. 48Montgomery County27,942
  49. 49Logan County27,713
  50. 50McDonough County26,920
  51. 51Iroquois County26,449
  52. 52Saline County23,213
  53. 53Jo Daviess County21,851
  54. 54Fayette County21,315
  55. 55Jersey County21,274
  56. 56Shelby County20,720
  57. 57Perry County20,639
  58. 58Douglas County19,751
  59. 59Crawford County18,511
  60. 60Hancock County17,281
  61. 61Union County16,997
  62. 62Bond County16,716
  63. 63Piatt County16,695
  64. 64Edgar County16,535
  65. 65Warren County16,447
  66. 66Wayne County15,973
  67. 67Richland County15,598
  68. 68Carroll County15,576
  69. 69Mercer County15,495
  70. 70De Witt County15,373
  71. 71Clark County15,266
  72. 72Lawrence County15,031
  73. 73Pike County14,469
  74. 74Moultrie County14,424
  75. 75Massac County13,865
  76. 76Washington County13,627
  77. 77White County13,619
  78. 78Ford County13,406
  79. 79Johnson County13,376
  80. 80Clay County13,052
  81. 81Cass County12,784
  82. 82Mason County12,745
  83. 83Menard County12,095
  84. 84Greene County11,683
  85. 85Marshall County11,647
  86. 86Wabash County11,119
  87. 87Cumberland County10,334
  88. 88Jasper County9,180
  89. 89Hamilton County7,916
  90. 90Schuyler County6,787
  91. 91Brown County6,322
  92. 92Henderson County6,193
  93. 93Edwards County6,075
  94. 94Putnam County5,601
  95. 95Stark County5,308
  96. 96Pulaski County5,015
  97. 97Scott County4,937
  98. 98Alexander County4,875
  99. 99Gallatin County4,819
  100. 100Calhoun County4,330
  101. 101Pope County3,739
  102. 102Hardin County3,605

Questions about this map

Which zip code has the highest population in Illinois?

Among zip codes with at least 1,000 residents, 60629 (Chicago, IL) has the highest: 108,324.

Which zip code has the lowest population in Illinois?

62625 (Cantrall, IL) has the lowest: 1,003.

What is the population for the United States?

334,922,499; in Illinois it is 12,694,798.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

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