RANKING · 2024 ACS · 73 SHOWN OF 73

Highest Portuguese population share, Illinois counties

Illinois counties ranked by the share of all residents who are Portuguese ancestry (2023 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 73 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2000

01Shelby County, ILIL20,5760.9%–

02Scott County, ILIL4,8660.8%–

03Morgan County, ILIL32,5150.5%–

04Calhoun County, ILIL4,3000.5%–

05Ford County, ILIL13,2160.5%–

06Putnam County, ILIL5,6190.4%–

07Greene County, ILIL11,3130.4%–

08Cass County, ILIL12,4630.4%–

09Sangamon County, ILIL194,1700.3%–

10Hardin County, ILIL3,5880.3%–

11Mason County, ILIL12,4110.2%–

12Bond County, ILIL16,9590.2%–

13Champaign County, ILIL209,9720.2%–

14Jackson County, ILIL52,5010.2%–

15Will County, ILIL712,2530.2%–

16Pike County, ILIL14,2310.2%–

17LaSalle County, ILIL107,7730.2%–

18Boone County, ILIL53,5680.1%–

19Knox County, ILIL47,7670.1%–

20Whiteside County, ILIL54,1210.1%–

21Tazewell County, ILIL130,0490.1%–

22Montgomery County, ILIL28,0760.1%–

23McHenry County, ILIL317,7510.1%–

24DuPage County, ILIL934,2980.1%–

25Lake County, ILIL719,3390.1%–

26Hamilton County, ILIL7,8590.1%–

27Peoria County, ILIL178,5530.1%–

28Jersey County, ILIL21,1600.1%–

29Cook County, ILIL5,194,6250.1%–

30Madison County, ILIL263,1100.1%–

31Macon County, ILIL99,3000.1%–

32Winnebago County, ILIL283,6740.1%–

33Cumberland County, ILIL10,2080.1%–

34Randolph County, ILIL29,9210.1%–

35Washington County, ILIL13,5640.1%–

36Kane County, ILIL525,7570.1%–

37St. Clair County, ILIL250,7080.1%–

38Williamson County, ILIL67,2250.1%–

39Christian County, ILIL33,4430.1%–

40Lee County, ILIL32,9140.1%–

41Stephenson County, ILIL43,2200.1%–

42Stark County, ILIL5,3190.1%–

43Effingham County, ILIL34,5190.1%–

44McLean County, ILIL171,4190.1%–

45Mercer County, ILIL15,2290.0%–

46Henry County, ILIL48,0950.0%–

47Macoupin County, ILIL43,7480.0%–

48Hancock County, ILIL16,8030.0%–

49Vermilion County, ILIL71,2590.0%–

50McDonough County, ILIL25,9160.0%–

51Warren County, ILIL16,2220.0%–

52Kankakee County, ILIL105,5250.0%–

53Fulton County, ILIL32,9010.0%–

54Adams County, ILIL64,2670.0%–

55Kendall County, ILIL145,4700.0%–

56Grundy County, ILIL54,0520.0%–

57Bureau County, ILIL32,5100.0%–

58Douglas County, ILIL19,8800.0%–

59Massac County, ILIL13,5020.0%–

60Marion County, ILIL36,3820.0%–

61Rock Island County, ILIL141,8690.0%–

62Wayne County, ILIL15,8820.0%–

63Iroquois County, ILIL26,1500.0%–

64Logan County, ILIL27,1820.0%–

65Monroe County, ILIL34,8400.0%–

66Coles County, ILIL46,6070.0%–

67DeKalb County, ILIL101,8350.0%–

68Fayette County, ILIL20,7900.0%–

69Marshall County, ILIL11,4730.0%–

70Clinton County, ILIL37,1280.0%–

71Franklin County, ILIL36,9160.0%–

72Jefferson County, ILIL36,1470.0%–

73White County, ILIL13,2500.0%–

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