RANKING · 2020 CENSUS · 102 SHOWN OF 102

Highest Mexican population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Mexican origin (2020 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. The median across all 102 is 2.1%.

Mexican Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2010

01Kane County, ILIL525,75727.2%+1.1 pts

02Boone County, ILIL53,56819.8%+2.0 pts

03Cook County, ILIL5,194,62519.4%+1.4 pts

04Lake County, ILIL719,33917.5%+1.9 pts

05Kendall County, ILIL145,47016.0%+3.8 pts

06Will County, ILIL712,25314.8%+2.3 pts

07Cass County, ILIL12,46314.7%+2.7 pts

08Rock Island County, ILIL141,86911.3%+1.4 pts

09Winnebago County, ILIL283,67410.9%+2.5 pts

10DuPage County, ILIL934,29810.8%+0.9 pts

11McHenry County, ILIL317,75110.3%+1.4 pts

12Whiteside County, ILIL54,1219.7%+0.8 pts

13Kankakee County, ILIL105,5259.6%+2.5 pts

14Ogle County, ILIL51,3999.2%+1.4 pts

15DeKalb County, ILIL101,8358.8%+1.1 pts

16Grundy County, ILIL54,0528.7%+1.9 pts

17Warren County, ILIL16,2228.6%+2.4 pts

18Bureau County, ILIL32,5108.5%+2.5 pts

19LaSalle County, ILIL107,7738.4%+2.1 pts

20Douglas County, ILIL19,8806.6%+1.2 pts

21Iroquois County, ILIL26,1506.0%+1.3 pts

22Putnam County, ILIL5,6195.5%+2.4 pts

23Henry County, ILIL48,0955.2%+1.5 pts

24Lee County, ILIL32,9145.1%+1.6 pts

25Brown County, ILIL6,4015.0%−0.2 pts

26Union County, ILIL16,6564.4%+0.3 pts

27Knox County, ILIL47,7674.4%+1.2 pts

28Vermilion County, ILIL71,2594.2%+0.6 pts

29Champaign County, ILIL209,9723.9%+0.4 pts

30Livingston County, ILIL35,0573.5%+0.8 pts

31Peoria County, ILIL178,5533.4%+0.6 pts

32Stephenson County, ILIL43,2203.4%+1.4 pts

33McLean County, ILIL171,4193.4%+0.5 pts

34Jackson County, ILIL52,5012.9%+1.2 pts

35Ford County, ILIL13,2162.9%+1.5 pts

36St. Clair County, ILIL250,7082.9%+0.8 pts

37Marshall County, ILIL11,4732.9%+1.2 pts

38Randolph County, ILIL29,9212.8%+1.2 pts

39Jo Daviess County, ILIL21,5942.8%+0.5 pts

40Clinton County, ILIL37,1282.8%+0.7 pts

41Johnson County, ILIL13,3632.7%+0.7 pts

42Perry County, ILIL20,1602.6%+1.0 pts

43Madison County, ILIL263,1102.6%+0.6 pts

44Massac County, ILIL13,5022.5%+2.2 pts

45Bond County, ILIL16,9592.4%+0.7 pts

46Carroll County, ILIL15,4192.3%+0.3 pts

47Williamson County, ILIL67,2252.2%+1.3 pts

48McDonough County, ILIL25,9162.2%+0.3 pts

49De Witt County, ILIL15,1182.2%+0.3 pts

50Coles County, ILIL46,6072.1%+0.5 pts

51Logan County, ILIL27,1822.1%−0.1 pts

52Mercer County, ILIL15,2292.0%+0.8 pts

53Lawrence County, ILIL13,7901.9%+0.1 pts

54Stark County, ILIL5,3191.8%+0.7 pts

55Effingham County, ILIL34,5191.8%+0.5 pts

56Tazewell County, ILIL130,0491.8%+0.5 pts

57Pulaski County, ILIL4,8201.8%+0.5 pts

58Fulton County, ILIL32,9011.7%+0.1 pts

59Morgan County, ILIL32,5151.7%+0.2 pts

60Wabash County, ILIL10,9071.7%+1.0 pts

61Jefferson County, ILIL36,1471.6%+0.1 pts

62Clark County, ILIL15,1141.6%+1.2 pts

63Monroe County, ILIL34,8401.5%+0.7 pts

64Macon County, ILIL99,3001.5%+0.5 pts

65Fayette County, ILIL20,7901.4%+0.7 pts

66Henderson County, ILIL5,9841.4%+1.0 pts

67Marion County, ILIL36,3821.4%+0.1 pts

68Woodford County, ILIL38,1111.4%+0.3 pts

69Sangamon County, ILIL194,1701.3%+0.3 pts

70Crawford County, ILIL18,6481.3%−0.1 pts

71Hamilton County, ILIL7,8591.3%+1.2 pts

72Saline County, ILIL22,7721.3%0.0 pts

73Christian County, ILIL33,4431.3%+0.4 pts

74Montgomery County, ILIL28,0761.2%+0.3 pts

75Calhoun County, ILIL4,3001.1%+1.0 pts

76Pope County, ILIL3,6721.1%−0.8 pts

77Franklin County, ILIL36,9161.1%+0.3 pts

78Scott County, ILIL4,8661.1%+0.9 pts

79Moultrie County, ILIL14,3711.0%+0.6 pts

80Greene County, ILIL11,3131.0%+0.4 pts

81Pike County, ILIL14,2311.0%+0.5 pts

82Hancock County, ILIL16,8031.0%+0.7 pts

83Piatt County, ILIL16,7911.0%+0.4 pts

84Edgar County, ILIL16,3231.0%+0.5 pts

85Cumberland County, ILIL10,2080.9%+0.5 pts

86Adams County, ILIL64,2670.9%+0.2 pts

87Jersey County, ILIL21,1600.9%+0.1 pts

88Menard County, ILIL11,8630.8%+0.4 pts

89White County, ILIL13,2500.8%+0.3 pts

90Richland County, ILIL15,2190.8%+0.4 pts

91Hardin County, ILIL3,5880.8%+0.1 pts

92Mason County, ILIL12,4110.7%+0.2 pts

93Macoupin County, ILIL43,7480.7%+0.1 pts

94Washington County, ILIL13,5640.6%−0.3 pts

95Wayne County, ILIL15,8820.6%−0.2 pts

96Shelby County, ILIL20,5760.6%0.0 pts

97Jasper County, ILIL9,0320.5%−0.1 pts

98Alexander County, ILIL4,5700.5%+0.2 pts

99Gallatin County, ILIL4,6160.4%+0.2 pts

100Schuyler County, ILIL6,6570.4%−0.7 pts

101Edwards County, ILIL5,8980.3%–

102Clay County, ILIL12,7930.1%−0.8 pts

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

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