RANKING · 2010 CENSUS · 86 SHOWN OF 86

Highest Puerto Rican population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Puerto Rican origin (2010 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 86 counties in Illinois that qualify, ranked against each other statewide. The median across all 86 is 0.3%.

Puerto Rican Americans: full group profile →

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 –

01Cook County, ILIL5,194,6252.4%–

02Kane County, ILIL525,7571.5%–

03Kendall County, ILIL145,4701.3%–

04Lake County, ILIL719,3391.3%–

05Brown County, ILIL6,4011.2%–

06Jackson County, ILIL52,5011.0%–

07Will County, ILIL712,2531.0%–

08DuPage County, ILIL934,2980.9%–

09Hamilton County, ILIL7,8590.9%–

10Winnebago County, ILIL283,6740.8%–

11Alexander County, ILIL4,5700.8%–

12McHenry County, ILIL317,7510.7%–

13DeKalb County, ILIL101,8350.7%–

14Boone County, ILIL53,5680.6%–

15Perry County, ILIL20,1600.5%–

16Stephenson County, ILIL43,2200.5%–

17Livingston County, ILIL35,0570.5%–

18Kankakee County, ILIL105,5250.5%–

19Rock Island County, ILIL141,8690.5%–

20Grundy County, ILIL54,0520.5%–

21Pope County, ILIL3,6720.5%–

22Cass County, ILIL12,4630.5%–

23Knox County, ILIL47,7670.5%–

24Whiteside County, ILIL54,1210.4%–

25Johnson County, ILIL13,3630.4%–

26McDonough County, ILIL25,9160.4%–

27LaSalle County, ILIL107,7730.4%–

28Fulton County, ILIL32,9010.4%–

29Lee County, ILIL32,9140.4%–

30Williamson County, ILIL67,2250.4%–

31Logan County, ILIL27,1820.4%–

32McLean County, ILIL171,4190.4%–

33St. Clair County, ILIL250,7080.4%–

34Marshall County, ILIL11,4730.4%–

35Jefferson County, ILIL36,1470.3%–

36Champaign County, ILIL209,9720.3%–

37Clark County, ILIL15,1140.3%–

38Moultrie County, ILIL14,3710.3%–

39Putnam County, ILIL5,6190.3%–

40Crawford County, ILIL18,6480.3%–

41Hancock County, ILIL16,8030.3%–

42Tazewell County, ILIL130,0490.3%–

43Morgan County, ILIL32,5150.3%–

44Franklin County, ILIL36,9160.2%–

45Lawrence County, ILIL13,7900.2%–

46Bureau County, ILIL32,5100.2%–

47Henry County, ILIL48,0950.2%–

48Union County, ILIL16,6560.2%–

49Pike County, ILIL14,2310.2%–

50Randolph County, ILIL29,9210.2%–

51Montgomery County, ILIL28,0760.2%–

52Sangamon County, ILIL194,1700.2%–

53Wabash County, ILIL10,9070.2%–

54Edgar County, ILIL16,3230.2%–

55Christian County, ILIL33,4430.2%–

56Schuyler County, ILIL6,6570.2%–

57Warren County, ILIL16,2220.2%–

58Peoria County, ILIL178,5530.2%–

59Saline County, ILIL22,7720.2%–

60Iroquois County, ILIL26,1500.1%–

61Madison County, ILIL263,1100.1%–

62Clinton County, ILIL37,1280.1%–

63Douglas County, ILIL19,8800.1%–

64Macon County, ILIL99,3000.1%–

65Menard County, ILIL11,8630.1%–

66Vermilion County, ILIL71,2590.1%–

67Ford County, ILIL13,2160.1%–

68Woodford County, ILIL38,1110.1%–

69Coles County, ILIL46,6070.1%–

70Gallatin County, ILIL4,6160.1%–

71Fayette County, ILIL20,7900.1%–

72Hardin County, ILIL3,5880.1%–

73Macoupin County, ILIL43,7480.1%–

74Mercer County, ILIL15,2290.1%–

75Piatt County, ILIL16,7910.1%–

76Effingham County, ILIL34,5190.1%–

77Henderson County, ILIL5,9840.1%–

78Carroll County, ILIL15,4190.1%–

79Greene County, ILIL11,3130.1%–

80Marion County, ILIL36,3820.0%–

81Jo Daviess County, ILIL21,5940.0%–

82Washington County, ILIL13,5640.0%–

83Monroe County, ILIL34,8400.0%–

84Adams County, ILIL64,2670.0%–

85Cumberland County, ILIL10,2080.0%–

86Jersey County, ILIL21,1600.0%–

SHOWING 1–86 OF 86

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS