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 (2024 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.

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 SHAREVS 2010

01Shelby County, ILIL20,5760.9%+0.6 pts

02Scott County, ILIL4,8660.8%+0.1 pts

03Morgan County, ILIL32,5150.5%−0.7 pts

04Calhoun County, ILIL4,3000.5%–

05Ford County, ILIL13,2160.5%+0.3 pts

06Putnam County, ILIL5,6190.4%–

07Greene County, ILIL11,3130.4%+0.1 pts

08Cass County, ILIL12,4630.4%−0.1 pts

09Sangamon County, ILIL194,1700.3%+0.0 pts

10Hardin County, ILIL3,5880.3%−0.6 pts

11Mason County, ILIL12,4110.2%+0.1 pts

12Bond County, ILIL16,9590.2%–

13Champaign County, ILIL209,9720.2%+0.1 pts

14Jackson County, ILIL52,5010.2%+0.1 pts

15Will County, ILIL712,2530.2%+0.1 pts

16Pike County, ILIL14,2310.2%–

17LaSalle County, ILIL107,7730.2%+0.0 pts

18Boone County, ILIL53,5680.1%+0.1 pts

19Knox County, ILIL47,7670.1%−0.0 pts

20Whiteside County, ILIL54,1210.1%−0.0 pts

21Tazewell County, ILIL130,0490.1%+0.1 pts

22Montgomery County, ILIL28,0760.1%–

23McHenry County, ILIL317,7510.1%−0.0 pts

24DuPage County, ILIL934,2980.1%+0.0 pts

25Lake County, ILIL719,3390.1%+0.0 pts

26Hamilton County, ILIL7,8590.1%–

27Peoria County, ILIL178,5530.1%+0.0 pts

28Jersey County, ILIL21,1600.1%−0.2 pts

29Cook County, ILIL5,194,6250.1%+0.0 pts

30Madison County, ILIL263,1100.1%+0.0 pts

31Macon County, ILIL99,3000.1%−0.0 pts

32Winnebago County, ILIL283,6740.1%+0.1 pts

33Cumberland County, ILIL10,2080.1%+0.1 pts

34Randolph County, ILIL29,9210.1%–

35Washington County, ILIL13,5640.1%+0.0 pts

36Kane County, ILIL525,7570.1%−0.0 pts

37St. Clair County, ILIL250,7080.1%+0.0 pts

38Williamson County, ILIL67,2250.1%−0.1 pts

39Christian County, ILIL33,4430.1%+0.0 pts

40Lee County, ILIL32,9140.1%−0.1 pts

41Stephenson County, ILIL43,2200.1%−0.0 pts

42Stark County, ILIL5,3190.1%−0.1 pts

43Effingham County, ILIL34,5190.1%+0.0 pts

44McLean County, ILIL171,4190.1%−0.0 pts

45Mercer County, ILIL15,2290.0%–

46Henry County, ILIL48,0950.0%−0.0 pts

47Macoupin County, ILIL43,7480.0%−0.2 pts

48Hancock County, ILIL16,8030.0%–

49Vermilion County, ILIL71,2590.0%−0.1 pts

50McDonough County, ILIL25,9160.0%−0.0 pts

51Warren County, ILIL16,2220.0%–

52Kankakee County, ILIL105,5250.0%−0.1 pts

53Fulton County, ILIL32,9010.0%–

54Adams County, ILIL64,2670.0%−0.0 pts

55Kendall County, ILIL145,4700.0%−0.0 pts

56Grundy County, ILIL54,0520.0%−0.2 pts

57Bureau County, ILIL32,5100.0%−0.0 pts

58Douglas County, ILIL19,8800.0%−0.0 pts

59Massac County, ILIL13,5020.0%–

60Marion County, ILIL36,3820.0%−0.0 pts

61Rock Island County, ILIL141,8690.0%−0.0 pts

62Wayne County, ILIL15,8820.0%–

63Iroquois County, ILIL26,1500.0%−0.0 pts

64Logan County, ILIL27,1820.0%−0.1 pts

65Monroe County, ILIL34,8400.0%−0.0 pts

66Coles County, ILIL46,6070.0%−0.1 pts

67DeKalb County, ILIL101,8350.0%−0.1 pts

68Fayette County, ILIL20,7900.0%–

69Marshall County, ILIL11,4730.0%–

70Clinton County, ILIL37,1280.0%−0.1 pts

71Franklin County, ILIL36,9160.0%–

72Jefferson County, ILIL36,1470.0%–

73White County, ILIL13,2500.0%–

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES