RANKING · 2024 ACS · 102 SHOWN OF 102

Largest Polish population, Illinois counties

Illinois counties ranked by the number of residents who are Polish ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

Polish Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPOLISH POPULATIONVS 2010

01Cook County, ILIL5,194,625361,909−26%

02DuPage County, ILIL934,29889,772−19%

03Will County, ILIL712,25373,152−18%

04Lake County, ILIL719,33953,062−19%

05Kane County, ILIL525,75736,063−10%

06McHenry County, ILIL317,75133,821−22%

07Winnebago County, ILIL283,67410,641−2%

08Kendall County, ILIL145,4708,904−11%

09LaSalle County, ILIL107,7736,781−24%

10St. Clair County, ILIL250,7086,588−2%

11Madison County, ILIL263,1106,434−24%

12Kankakee County, ILIL105,5255,983−7%

13Champaign County, ILIL209,9725,887−17%

14DeKalb County, ILIL101,8355,751−21%

15McLean County, ILIL171,4195,581−5%

16Grundy County, ILIL54,0525,291+16%

17Sangamon County, ILIL194,1703,993−8%

18Boone County, ILIL53,5683,447+28%

19Peoria County, ILIL178,5533,433−15%

20Tazewell County, ILIL130,0492,617−3%

21Rock Island County, ILIL141,8692,281−29%

22Ogle County, ILIL51,3991,990−2%

23Bureau County, ILIL32,5101,823−10%

24Macon County, ILIL99,3001,686−28%

25Washington County, ILIL13,5641,472−29%

26Williamson County, ILIL67,2251,394+1%

27Lee County, ILIL32,9141,382+15%

28Henry County, ILIL48,0951,278−3%

29Whiteside County, ILIL54,1211,245−20%

30Monroe County, ILIL34,8401,180+12%

31Woodford County, ILIL38,1111,161+2%

32Livingston County, ILIL35,0571,083−16%

33Jefferson County, ILIL36,1471,035−5%

34Jackson County, ILIL52,5011,033−23%

35Franklin County, ILIL36,916989−23%

36Stephenson County, ILIL43,220966−2%

37Perry County, ILIL20,160926−34%

38Jo Daviess County, ILIL21,594902+21%

39Marion County, ILIL36,382849−13%

40Vermilion County, ILIL71,259814−58%

41Adams County, ILIL64,267683−30%

42Clinton County, ILIL37,128661−11%

43McDonough County, ILIL25,916652−52%

44Logan County, ILIL27,182547+15%

45Iroquois County, ILIL26,150496−50%

46Coles County, ILIL46,607479−74%

47Marshall County, ILIL11,473470−39%

48Christian County, ILIL33,443447−42%

49De Witt County, ILIL15,118419+108%

50Randolph County, ILIL29,921411−41%

51Macoupin County, ILIL43,748399−73%

52Effingham County, ILIL34,519395−3%

53Carroll County, ILIL15,419372−21%

54Knox County, ILIL47,767361−49%

55Putnam County, ILIL5,619343−48%

56Morgan County, ILIL32,515340−48%

57Johnson County, ILIL13,363337+19%

58Mason County, ILIL12,411332+23%

59Fayette County, ILIL20,790323+52%

60Menard County, ILIL11,863320+67%

61Fulton County, ILIL32,901318−58%

62Clark County, ILIL15,114309−11%

63Montgomery County, ILIL28,076309−35%

64Clay County, ILIL12,793307+339%

65Union County, ILIL16,656306+75%

66Shelby County, ILIL20,576298+89%

67Jersey County, ILIL21,160271−39%

68Ford County, ILIL13,216264−9%

69Crawford County, ILIL18,648248−37%

70Piatt County, ILIL16,791246+12%

71Warren County, ILIL16,222231−58%

72Hamilton County, ILIL7,859222+87%

73Massac County, ILIL13,502203+92%

74Wabash County, ILIL10,907186+22%

75Richland County, ILIL15,219177−19%

76Saline County, ILIL22,772175−56%

77White County, ILIL13,250168−48%

78Mercer County, ILIL15,229130−70%

79Bond County, ILIL16,959124−51%

80Douglas County, ILIL19,880122−12%

81Moultrie County, ILIL14,371122−12%

82Wayne County, ILIL15,88296−36%

83Jasper County, ILIL9,03287−4%

84Brown County, ILIL6,40182+165%

85Greene County, ILIL11,31379−43%

86Edwards County, ILIL5,89872−44%

87Pike County, ILIL14,23164−57%

88Stark County, ILIL5,31961−40%

89Cass County, ILIL12,46357−73%

90Gallatin County, ILIL4,61657−49%

91Hancock County, ILIL16,80357−82%

92Edgar County, ILIL16,32356−69%

93Cumberland County, ILIL10,20850−29%

94Schuyler County, ILIL6,65750+0%

95Pope County, ILIL3,67246+5%

96Hardin County, ILIL3,58838+90%

97Lawrence County, ILIL13,79037−66%

98Scott County, ILIL4,86637−14%

99Henderson County, ILIL5,98434−45%

100Calhoun County, ILIL4,30022−57%

101Pulaski County, ILIL4,82012+100%

102Alexander County, ILIL4,57011−78%

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES