RANKING · 2010 CENSUS · 102 SHOWN OF 102

Largest Polish population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Polish ancestry, from the 2010 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 →

IllinoisAll states All rankings

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 –

01Cook County, ILIL5,194,625488,352–

02DuPage County, ILIL934,298110,757–

03Will County, ILIL712,25389,171–

04Lake County, ILIL719,33965,403–

05McHenry County, ILIL317,75143,429–

06Kane County, ILIL525,75739,862–

07Winnebago County, ILIL283,67410,901–

08Kendall County, ILIL145,47010,018–

09LaSalle County, ILIL107,7738,925–

10Madison County, ILIL263,1108,422–

11DeKalb County, ILIL101,8357,317–

12Champaign County, ILIL209,9727,051–

13St. Clair County, ILIL250,7086,702–

14Kankakee County, ILIL105,5256,448–

15McLean County, ILIL171,4195,867–

16Grundy County, ILIL54,0524,568–

17Sangamon County, ILIL194,1704,350–

18Peoria County, ILIL178,5534,026–

19Rock Island County, ILIL141,8693,231–

20Tazewell County, ILIL130,0492,692–

21Boone County, ILIL53,5682,689–

22Macon County, ILIL99,3002,349–

23Washington County, ILIL13,5642,079–

24Bureau County, ILIL32,5102,031–

25Ogle County, ILIL51,3992,026–

26Vermilion County, ILIL71,2591,929–

27Coles County, ILIL46,6071,835–

28Whiteside County, ILIL54,1211,554–

29Macoupin County, ILIL43,7481,494–

30Perry County, ILIL20,1601,406–

31Williamson County, ILIL67,2251,386–

32McDonough County, ILIL25,9161,363–

33Jackson County, ILIL52,5011,336–

34Henry County, ILIL48,0951,311–

35Livingston County, ILIL35,0571,293–

36Franklin County, ILIL36,9161,285–

37Lee County, ILIL32,9141,199–

38Woodford County, ILIL38,1111,137–

39Jefferson County, ILIL36,1471,091–

40Monroe County, ILIL34,8401,052–

41Iroquois County, ILIL26,150991–

42Stephenson County, ILIL43,220990–

43Marion County, ILIL36,382981–

44Adams County, ILIL64,267973–

45Marshall County, ILIL11,473775–

46Christian County, ILIL33,443769–

47Fulton County, ILIL32,901756–

48Jo Daviess County, ILIL21,594747–

49Clinton County, ILIL37,128741–

50Knox County, ILIL47,767702–

51Randolph County, ILIL29,921691–

52Putnam County, ILIL5,619655–

53Morgan County, ILIL32,515654–

54Warren County, ILIL16,222544–

55Montgomery County, ILIL28,076478–

56Logan County, ILIL27,182475–

57Carroll County, ILIL15,419469–

58Jersey County, ILIL21,160441–

59Mercer County, ILIL15,229431–

60Effingham County, ILIL34,519406–

61Crawford County, ILIL18,648395–

62Saline County, ILIL22,772394–

63Clark County, ILIL15,114346–

64White County, ILIL13,250324–

65Hancock County, ILIL16,803321–

66Ford County, ILIL13,216289–

67Johnson County, ILIL13,363283–

68Mason County, ILIL12,411271–

69Bond County, ILIL16,959252–

70Piatt County, ILIL16,791220–

71Richland County, ILIL15,219218–

72Cass County, ILIL12,463213–

73Fayette County, ILIL20,790213–

74De Witt County, ILIL15,118201–

75Menard County, ILIL11,863192–

76Edgar County, ILIL16,323180–

77Union County, ILIL16,656175–

78Shelby County, ILIL20,576158–

79Wabash County, ILIL10,907153–

80Wayne County, ILIL15,882151–

81Pike County, ILIL14,231149–

82Douglas County, ILIL19,880138–

83Greene County, ILIL11,313138–

84Moultrie County, ILIL14,371138–

85Edwards County, ILIL5,898128–

86Hamilton County, ILIL7,859119–

87Gallatin County, ILIL4,616111–

88Lawrence County, ILIL13,790110–

89Massac County, ILIL13,502106–

90Stark County, ILIL5,319102–

91Jasper County, ILIL9,03291–

92Clay County, ILIL12,79370–

93Cumberland County, ILIL10,20870–

94Henderson County, ILIL5,98462–

95Calhoun County, ILIL4,30051–

96Schuyler County, ILIL6,65750–

97Alexander County, ILIL4,57049–

98Pope County, ILIL3,67244–

99Scott County, ILIL4,86643–

100Brown County, ILIL6,40131–

101Hardin County, ILIL3,58820–

102Pulaski County, ILIL4,8206–

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS