RANKING · 2020 CENSUS · 94 SHOWN OF 94

Highest Puerto Rican population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Puerto Rican origin (2023 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 94 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN SHAREVS 2000

01Cook County, ILIL5,194,6252.7%–

02Kane County, ILIL525,7572.2%–

03Kendall County, ILIL145,4702.2%–

04Cass County, ILIL12,4631.9%–

05Whiteside County, ILIL54,1211.6%–

06Lake County, ILIL719,3391.5%–

07Pope County, ILIL3,6721.5%–

08McHenry County, ILIL317,7511.3%–

09Grundy County, ILIL54,0521.3%–

10Will County, ILIL712,2531.2%–

11DeKalb County, ILIL101,8351.2%–

12Boone County, ILIL53,5681.1%–

13DuPage County, ILIL934,2981.1%–

14Livingston County, ILIL35,0570.9%–

15Winnebago County, ILIL283,6740.9%–

16Fulton County, ILIL32,9010.8%–

17Lee County, ILIL32,9140.8%–

18Rock Island County, ILIL141,8690.7%–

19LaSalle County, ILIL107,7730.7%–

20Jefferson County, ILIL36,1470.7%–

21Richland County, ILIL15,2190.7%–

22Knox County, ILIL47,7670.7%–

23Champaign County, ILIL209,9720.7%–

24Union County, ILIL16,6560.6%–

25Crawford County, ILIL18,6480.6%–

26Washington County, ILIL13,5640.6%–

27Morgan County, ILIL32,5150.5%–

28Logan County, ILIL27,1820.5%–

29Wayne County, ILIL15,8820.5%–

30Ogle County, ILIL51,3990.5%–

31Bond County, ILIL16,9590.5%–

32McLean County, ILIL171,4190.5%–

33Sangamon County, ILIL194,1700.4%–

34Stephenson County, ILIL43,2200.4%–

35Montgomery County, ILIL28,0760.4%–

36St. Clair County, ILIL250,7080.4%–

37De Witt County, ILIL15,1180.4%–

38Peoria County, ILIL178,5530.4%–

39Kankakee County, ILIL105,5250.4%–

40Hancock County, ILIL16,8030.4%–

41Iroquois County, ILIL26,1500.4%–

42Massac County, ILIL13,5020.4%–

43Piatt County, ILIL16,7910.3%–

44Carroll County, ILIL15,4190.3%–

45Fayette County, ILIL20,7900.3%–

46Gallatin County, ILIL4,6160.3%–

47Jackson County, ILIL52,5010.3%–

48Saline County, ILIL22,7720.3%–

49Brown County, ILIL6,4010.3%–

50Jersey County, ILIL21,1600.3%–

51White County, ILIL13,2500.3%–

52Henderson County, ILIL5,9840.3%–

53Lawrence County, ILIL13,7900.3%–

54Pulaski County, ILIL4,8200.3%–

55Bureau County, ILIL32,5100.3%–

56Vermilion County, ILIL71,2590.3%–

57Marion County, ILIL36,3820.3%–

58Franklin County, ILIL36,9160.3%–

59Edwards County, ILIL5,8980.2%–

60Wabash County, ILIL10,9070.2%–

61Coles County, ILIL46,6070.2%–

62Douglas County, ILIL19,8800.2%–

63Henry County, ILIL48,0950.2%–

64Adams County, ILIL64,2670.2%–

65Johnson County, ILIL13,3630.2%–

66Macoupin County, ILIL43,7480.2%–

67Madison County, ILIL263,1100.2%–

68Putnam County, ILIL5,6190.2%–

69Ford County, ILIL13,2160.2%–

70Macon County, ILIL99,3000.1%–

71Woodford County, ILIL38,1110.1%–

72Tazewell County, ILIL130,0490.1%–

73Warren County, ILIL16,2220.1%–

74Williamson County, ILIL67,2250.1%–

75Jo Daviess County, ILIL21,5940.1%–

76Menard County, ILIL11,8630.1%–

77Effingham County, ILIL34,5190.1%–

78McDonough County, ILIL25,9160.1%–

79Perry County, ILIL20,1600.1%–

80Clinton County, ILIL37,1280.1%–

81Alexander County, ILIL4,5700.1%–

82Pike County, ILIL14,2310.1%–

83Jasper County, ILIL9,0320.1%–

84Randolph County, ILIL29,9210.1%–

85Stark County, ILIL5,3190.1%–

86Christian County, ILIL33,4430.1%–

87Greene County, ILIL11,3130.1%–

88Clay County, ILIL12,7930.1%–

89Shelby County, ILIL20,5760.1%–

90Mercer County, ILIL15,2290.1%–

91Schuyler County, ILIL6,6570.0%–

92Moultrie County, ILIL14,3710.0%–

93Mason County, ILIL12,4110.0%–

94Cumberland County, ILIL10,2080.0%–

SHOWING 1–94 OF 94

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES