RANKING · 2020 CENSUS · 94 SHOWN OF 94

Largest Puerto Rican population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Puerto Rican origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 94 counties in Illinois that qualify, ranked against each other statewide. The median across all 94 is 89.

Puerto Rican Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN POPULATIONVS 2010

01Cook County, ILIL5,194,625137,311+10%

02Kane County, ILIL525,75711,580+54%

03Lake County, ILIL719,33910,476+20%

04DuPage County, ILIL934,2989,756+13%

05Will County, ILIL712,2538,309+23%

06McHenry County, ILIL317,7513,867+90%

07Kendall County, ILIL145,4702,767+98%

08Winnebago County, ILIL283,6742,451+6%

09Champaign County, ILIL209,9721,368+104%

10DeKalb County, ILIL101,8351,244+81%

11St. Clair County, ILIL250,7081,078+13%

12Rock Island County, ILIL141,8691,060+45%

13Whiteside County, ILIL54,121914+266%

14Sangamon County, ILIL194,170872+121%

15McLean County, ILIL171,419820+36%

16LaSalle County, ILIL107,773775+67%

17Peoria County, ILIL178,553725+150%

18Grundy County, ILIL54,052635+166%

19Boone County, ILIL53,568605+96%

20Madison County, ILIL263,110493+27%

21Kankakee County, ILIL105,525406−29%

22Knox County, ILIL47,767332+38%

23Livingston County, ILIL35,057325+59%

24Fulton County, ILIL32,901270+80%

25Jefferson County, ILIL36,147264+96%

26Lee County, ILIL32,914257+80%

27Ogle County, ILIL51,399247–

28Cass County, ILIL12,463236+269%

29Vermilion County, ILIL71,259205+103%

30Stephenson County, ILIL43,220193−23%

31Jackson County, ILIL52,501182−71%

32Tazewell County, ILIL130,049181−50%

33Morgan County, ILIL32,515179+90%

34Macon County, ILIL99,300152+2%

35Adams County, ILIL64,267149+2029%

36Logan County, ILIL27,182142+28%

37Coles County, ILIL46,607124+107%

38Montgomery County, ILIL28,076122+97%

39Henry County, ILIL48,095116+4%

40Crawford County, ILIL18,648114+107%

41Richland County, ILIL15,219109–

42Union County, ILIL16,656105+169%

43Iroquois County, ILIL26,15098+123%

44Franklin County, ILIL36,916970%

45Marion County, ILIL36,38295+400%

46Bureau County, ILIL32,51090+15%

47Williamson County, ILIL67,22589−65%

48Macoupin County, ILIL43,74887+172%

49Wayne County, ILIL15,88280–

50Bond County, ILIL16,95979–

51Washington County, ILIL13,56477+3750%

52Saline County, ILIL22,77272+89%

53Fayette County, ILIL20,79069+245%

54De Witt County, ILIL15,11865–

55Hancock County, ILIL16,80365+23%

56Jersey County, ILIL21,16063+3050%

57Pope County, ILIL3,67261+190%

58Piatt County, ILIL16,79155+450%

59Woodford County, ILIL38,11154+20%

60Massac County, ILIL13,50250–

61Carroll County, ILIL15,41948+500%

62Douglas County, ILIL19,88047+74%

63Lawrence County, ILIL13,79044+10%

64White County, ILIL13,25039–

65Clinton County, ILIL37,12838−27%

66Effingham County, ILIL34,51937+95%

67McDonough County, ILIL25,91632−77%

68Wabash County, ILIL10,90728+22%

69Jo Daviess County, ILIL21,59428+600%

70Johnson County, ILIL13,36326−52%

71Randolph County, ILIL29,92125−65%

72Christian County, ILIL33,44324−59%

73Warren County, ILIL16,22223−18%

74Perry County, ILIL20,16022−81%

75Brown County, ILIL6,40120−76%

76Ford County, ILIL13,21620+18%

77Henderson County, ILIL5,98419+375%

78Menard County, ILIL11,86316−6%

79Edwards County, ILIL5,89816–

80Gallatin County, ILIL4,61616+167%

81Pike County, ILIL14,23115−58%

82Pulaski County, ILIL4,82015–

83Shelby County, ILIL20,57612–

84Putnam County, ILIL5,6199−53%

85Clay County, ILIL12,7939–

86Greene County, ILIL11,3139+29%

87Mercer County, ILIL15,2298−27%

88Jasper County, ILIL9,0328–

89Alexander County, ILIL4,5706−91%

90Moultrie County, ILIL14,3715−89%

91Stark County, ILIL5,3194–

92Mason County, ILIL12,4113–

93Schuyler County, ILIL6,6573−75%

94Cumberland County, ILIL10,20810%

SHOWING 1–94 OF 94

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