RANKING · 2024 ACS · 73 SHOWN OF 73

Largest Portuguese population, Illinois counties

Illinois counties ranked by the number of residents who are Portuguese ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 73 counties in Illinois that qualify, ranked against each other statewide.

Portuguese Americans: full group profile →

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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 POPULATIONVS 2010

01Cook County, ILIL5,194,6254,367+76%

02DuPage County, ILIL934,2981,154+37%

03Will County, ILIL712,2531,070+139%

04Lake County, ILIL719,339885+17%

05Sangamon County, ILIL194,170663+7%

06McHenry County, ILIL317,751390−3%

07Champaign County, ILIL209,972389+114%

08Kane County, ILIL525,757375+2%

09Winnebago County, ILIL283,674231+208%

10Madison County, ILIL263,110221+50%

11Shelby County, ILIL20,576183+245%

12St. Clair County, ILIL250,708182+14%

13Morgan County, ILIL32,515181−60%

14Tazewell County, ILIL130,049169+80%

15LaSalle County, ILIL107,773164−2%

16Peoria County, ILIL178,553161+56%

17Jackson County, ILIL52,50194+276%

18McLean County, ILIL171,41994−36%

19Macon County, ILIL99,30085−21%

20Boone County, ILIL53,56874+222%

21Whiteside County, ILIL54,12172−24%

22Knox County, ILIL47,76765−27%

23Ford County, ILIL13,21661+307%

24Cass County, ILIL12,46348−29%

25Greene County, ILIL11,31346+5%

26Kendall County, ILIL145,47044−25%

27Williamson County, ILIL67,22543−52%

28Scott County, ILIL4,86641+0%

29Rock Island County, ILIL141,86937−16%

30Kankakee County, ILIL105,52536−68%

31Montgomery County, ILIL28,07636–

32Bond County, ILIL16,95934–

33Vermilion County, ILIL71,25929−71%

34Mason County, ILIL12,41127+145%

35Stephenson County, ILIL43,22027−25%

36Putnam County, ILIL5,61925–

37Randolph County, ILIL29,92123–

38Pike County, ILIL14,23122–

39Calhoun County, ILIL4,30021–

40Adams County, ILIL64,26721−54%

41Christian County, ILIL33,44321+320%

42Lee County, ILIL32,91421−71%

43Henry County, ILIL48,09520−35%

44DeKalb County, ILIL101,83519−80%

45Effingham County, ILIL34,51919+46%

46Jersey County, ILIL21,16019−65%

47Macoupin County, ILIL43,74818−85%

48Grundy County, ILIL54,05217−84%

49Fulton County, ILIL32,90111–

50Bureau County, ILIL32,51010−29%

51Hardin County, ILIL3,58810−74%

52McDonough County, ILIL25,91610−29%

53Marion County, ILIL36,38210−63%

54Washington County, ILIL13,56410+150%

55Coles County, ILIL46,6079−87%

56Hamilton County, ILIL7,8599–

57Cumberland County, ILIL10,2088+700%

58Monroe County, ILIL34,8407−22%

59Hancock County, ILIL16,8037–

60Mercer County, ILIL15,2297–

61Douglas County, ILIL19,8806−54%

62Iroquois County, ILIL26,1506−45%

63Logan County, ILIL27,1826−75%

64Warren County, ILIL16,2226–

65Clinton County, ILIL37,1285−90%

66Fayette County, ILIL20,7904–

67Franklin County, ILIL36,9164–

68Massac County, ILIL13,5024–

69Wayne County, ILIL15,8824–

70Jefferson County, ILIL36,1473–

71Stark County, ILIL5,3193−63%

72Marshall County, ILIL11,4732–

73White County, ILIL13,2501–

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES