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. The median across all 73 is 23. Biggest climber in the top 100 since 2020: Mason County, IL, up 37 places to #34.

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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%

02▲1DuPage County, ILIL934,2981,154+37%

03▲2Will County, ILIL712,2531,070+139%

04▼2Lake County, ILIL719,339885+17%

05▼1Sangamon County, ILIL194,170663+7%

06McHenry County, ILIL317,751390−3%

07▲6Champaign County, ILIL209,972389+114%

08▼1Kane County, ILIL525,757375+2%

09▲8Winnebago County, ILIL283,674231+208%

10▲1Madison County, ILIL263,110221+50%

11Shelby County, ILIL20,576183+245%

12▼4St. Clair County, ILIL250,708182+14%

13▼4Morgan County, ILIL32,515181−60%

14▲8Tazewell County, ILIL130,049169+80%

15LaSalle County, ILIL107,773164−2%

16▲2Peoria County, ILIL178,553161+56%

17▼1Jackson County, ILIL52,50194+276%

18▼8McLean County, ILIL171,41994−36%

19▲17Macon County, ILIL99,30085−21%

20Boone County, ILIL53,56874+222%

21▼9Whiteside County, ILIL54,12172−24%

22▲12Knox County, ILIL47,76765−27%

23▲4Ford County, ILIL13,21661+307%

24▲4Cass County, ILIL12,46348−29%

25▲4Greene County, ILIL11,31346+5%

26▲7Kendall County, ILIL145,47044−25%

27▼8Williamson County, ILIL67,22543−52%

28▲10Scott County, ILIL4,866410%

29▼15Rock Island County, ILIL141,86937−16%

30▲2Kankakee County, ILIL105,52536−68%

31▲11Montgomery County, ILIL28,07636–

32Bond County, ILIL16,95934–

33Vermilion County, ILIL71,25929−71%

34▲37Mason County, ILIL12,41127+145%

35▲9Stephenson County, ILIL43,22027−25%

36Putnam County, ILIL5,61925–

37▼2Randolph County, ILIL29,92123–

38▲12Pike County, ILIL14,23122–

39Calhoun County, ILIL4,30021–

40▼14Adams County, ILIL64,26721−54%

41▲5Christian County, ILIL33,44321+320%

42Lee County, ILIL32,91421−71%

43▼3Henry County, ILIL48,09520−35%

44▼13DeKalb County, ILIL101,83519−80%

45▼21Effingham County, ILIL34,51919+46%

46▲15Jersey County, ILIL21,16019−65%

47▼6Macoupin County, ILIL43,74818−85%

48Grundy County, ILIL54,05217−84%

49▼24Fulton County, ILIL32,90111–

50▼11Bureau County, ILIL32,51010−29%

51Hardin County, ILIL3,58810−74%

52▲10McDonough County, ILIL25,91610−29%

53▲17Marion County, ILIL36,38210−63%

54▼31Washington County, ILIL13,56410+150%

55▼35Coles County, ILIL46,6079−87%

56▲13Hamilton County, ILIL7,8599–

57▼3Cumberland County, ILIL10,2088+700%

58▼37Monroe County, ILIL34,8407−22%

59▼7Hancock County, ILIL16,8037–

60▲12Mercer County, ILIL15,2297–

61▼18Douglas County, ILIL19,8806−54%

62▼5Iroquois County, ILIL26,1506−45%

63▼7Logan County, ILIL27,1826−75%

64▼17Warren County, ILIL16,2226–

65▼6Clinton County, ILIL37,1285−90%

66▼11Fayette County, ILIL20,7904–

67▲1Franklin County, ILIL36,9164–

68Massac County, ILIL13,5024–

69▼2Wayne County, ILIL15,8824–

70▼17Jefferson County, ILIL36,1473–

71Stark County, ILIL5,3193−63%

72Marshall County, ILIL11,4732–

73White County, ILIL13,2501–

SHOWING 1–73 OF 73

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES