RANKING · 2024 ACS · 102 SHOWN OF 102

Highest Mexican population share, Illinois counties

Illinois counties ranked by the share of all residents who are Mexican origin (2023 American Community Survey). A concentration measure: Mexican residents as a percentage of total population. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2000

01Kane County, ILIL525,75727.8%–

02Boone County, ILIL53,56822.8%–

03Cook County, ILIL5,194,62520.1%–

04Lake County, ILIL719,33919.1%–

05Kendall County, ILIL145,47018.7%–

06Will County, ILIL712,25316.4%–

07Cass County, ILIL12,46316.3%–

08McHenry County, ILIL317,75112.6%–

09Winnebago County, ILIL283,67412.3%–

10Rock Island County, ILIL141,86912.3%–

11DuPage County, ILIL934,29811.9%–

12DeKalb County, ILIL101,83511.5%–

13Whiteside County, ILIL54,12110.8%–

14Kankakee County, ILIL105,52510.8%–

15Ogle County, ILIL51,39910.3%–

16LaSalle County, ILIL107,7739.7%–

17Grundy County, ILIL54,0529.4%–

18Bureau County, ILIL32,5109.3%–

19Warren County, ILIL16,2229.1%–

20Douglas County, ILIL19,8807.8%–

21Iroquois County, ILIL26,1507.3%–

22Henry County, ILIL48,0955.9%–

23Putnam County, ILIL5,6195.1%–

24Champaign County, ILIL209,9725.1%–

25Lee County, ILIL32,9145.1%–

26McLean County, ILIL171,4194.8%–

27Vermilion County, ILIL71,2594.8%–

28Knox County, ILIL47,7674.6%–

29Brown County, ILIL6,4014.3%–

30Stephenson County, ILIL43,2204.2%–

31Peoria County, ILIL178,5534.2%–

32Livingston County, ILIL35,0574.1%–

33Jackson County, ILIL52,5013.9%–

34Union County, ILIL16,6563.8%–

35Johnson County, ILIL13,3633.3%–

36Perry County, ILIL20,1603.2%–

37Marshall County, ILIL11,4733.2%–

38St. Clair County, ILIL250,7083.2%–

39Jo Daviess County, ILIL21,5943.1%–

40Mercer County, ILIL15,2293.0%–

41Madison County, ILIL263,1102.9%–

42Coles County, ILIL46,6072.9%–

43Ford County, ILIL13,2162.8%–

44Clinton County, ILIL37,1282.7%–

45Carroll County, ILIL15,4192.6%–

46De Witt County, ILIL15,1182.6%–

47McDonough County, ILIL25,9162.4%–

48Fayette County, ILIL20,7902.1%–

49Fulton County, ILIL32,9012.0%–

50Logan County, ILIL27,1821.9%–

51Macon County, ILIL99,3001.9%–

52Clay County, ILIL12,7931.9%–

53Tazewell County, ILIL130,0491.9%–

54Williamson County, ILIL67,2251.9%–

55Christian County, ILIL33,4431.8%–

56Pope County, ILIL3,6721.8%–

57Hancock County, ILIL16,8031.7%–

58Jefferson County, ILIL36,1471.7%–

59Morgan County, ILIL32,5151.7%–

60Adams County, ILIL64,2671.7%–

61Crawford County, ILIL18,6481.6%–

62Clark County, ILIL15,1141.6%–

63Stark County, ILIL5,3191.6%–

64Franklin County, ILIL36,9161.5%–

65Massac County, ILIL13,5021.5%–

66Scott County, ILIL4,8661.5%–

67Randolph County, ILIL29,9211.5%–

68Woodford County, ILIL38,1111.5%–

69Montgomery County, ILIL28,0761.4%–

70Lawrence County, ILIL13,7901.4%–

71Sangamon County, ILIL194,1701.3%–

72Monroe County, ILIL34,8401.3%–

73Marion County, ILIL36,3821.3%–

74Richland County, ILIL15,2191.2%–

75Pike County, ILIL14,2311.2%–

76Jersey County, ILIL21,1601.2%–

77White County, ILIL13,2501.2%–

78Mason County, ILIL12,4111.2%–

79Gallatin County, ILIL4,6161.1%–

80Jasper County, ILIL9,0321.1%–

81Bond County, ILIL16,9591.1%–

82Henderson County, ILIL5,9841.0%–

83Schuyler County, ILIL6,6571.0%–

84Menard County, ILIL11,8631.0%–

85Washington County, ILIL13,5640.9%–

86Effingham County, ILIL34,5190.9%–

87Piatt County, ILIL16,7910.8%–

88Moultrie County, ILIL14,3710.8%–

89Shelby County, ILIL20,5760.8%–

90Saline County, ILIL22,7720.8%–

91Hardin County, ILIL3,5880.8%–

92Macoupin County, ILIL43,7480.8%–

93Pulaski County, ILIL4,8200.7%–

94Wayne County, ILIL15,8820.6%–

95Edgar County, ILIL16,3230.6%–

96Greene County, ILIL11,3130.4%–

97Wabash County, ILIL10,9070.4%–

98Alexander County, ILIL4,5700.4%–

99Hamilton County, ILIL7,8590.2%–

100Edwards County, ILIL5,8980.2%–

101Cumberland County, ILIL10,2080.1%–

102Calhoun County, ILIL4,3000.1%–

SHOWING 1–102 OF 102

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