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. The median across all 73 is 0.1%. Biggest climber in the top 100 since 2020: Mason County, IL, up 52 places to #11.

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IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2010

01Shelby County, ILIL20,5760.9%+0.6 pts

02Scott County, ILIL4,8660.8%+0.1 pts

03▼2Morgan County, ILIL32,5150.5%−0.7 pts

04Calhoun County, ILIL4,3000.5%–

05▼1Ford County, ILIL13,2160.5%+0.3 pts

06Putnam County, ILIL5,6190.4%–

07▼2Greene County, ILIL11,3130.4%+0.1 pts

08▼5Cass County, ILIL12,4630.4%−0.1 pts

09Sangamon County, ILIL194,1700.3%0.0 pts

10Hardin County, ILIL3,5880.3%−0.6 pts

11▲52Mason County, ILIL12,4110.2%+0.1 pts

12Bond County, ILIL16,9590.2%–

13▲25Champaign County, ILIL209,9720.2%+0.1 pts

14▼1Jackson County, ILIL52,5010.2%+0.1 pts

15▲25Will County, ILIL712,2530.2%+0.1 pts

16▲21Pike County, ILIL14,2310.2%–

17▲2LaSalle County, ILIL107,7730.2%0.0 pts

18Boone County, ILIL53,5680.1%+0.1 pts

19▲14Knox County, ILIL47,7670.1%0.0 pts

20▼12Whiteside County, ILIL54,1210.1%0.0 pts

21▲25Tazewell County, ILIL130,0490.1%+0.1 pts

22▲10Montgomery County, ILIL28,0760.1%–

23▼7McHenry County, ILIL317,7510.1%0.0 pts

24▲3DuPage County, ILIL934,2980.1%0.0 pts

25▼7Lake County, ILIL719,3390.1%0.0 pts

26▲27Hamilton County, ILIL7,8590.1%–

27▲21Peoria County, ILIL178,5530.1%0.0 pts

28▲33Jersey County, ILIL21,1600.1%−0.2 pts

29▲7Cook County, ILIL5,194,6250.1%0.0 pts

30▲9Madison County, ILIL263,1100.1%0.0 pts

31▲23Macon County, ILIL99,3000.1%0.0 pts

32▲26Winnebago County, ILIL283,6740.1%+0.1 pts

33▼3Cumberland County, ILIL10,2080.1%+0.1 pts

34▼14Randolph County, ILIL29,9210.1%–

35▼29Washington County, ILIL13,5640.1%0.0 pts

36▼1Kane County, ILIL525,7570.1%0.0 pts

37▼11St. Clair County, ILIL250,7080.1%0.0 pts

38▼16Williamson County, ILIL67,2250.1%−0.1 pts

39▲5Christian County, ILIL33,4430.1%0.0 pts

40Lee County, ILIL32,9140.1%−0.1 pts

41▲6Stephenson County, ILIL43,2200.1%0.0 pts

42Stark County, ILIL5,3190.1%−0.1 pts

43▼29Effingham County, ILIL34,5190.1%0.0 pts

44▼21McLean County, ILIL171,4190.1%0.0 pts

45▲21Mercer County, ILIL15,2290.0%–

46▼3Henry County, ILIL48,0950.0%0.0 pts

47▼5Macoupin County, ILIL43,7480.0%−0.2 pts

48▼7Hancock County, ILIL16,8030.0%–

49Vermilion County, ILIL71,2590.0%−0.1 pts

50▲15McDonough County, ILIL25,9160.0%0.0 pts

51▼26Warren County, ILIL16,2220.0%–

52Kankakee County, ILIL105,5250.0%−0.1 pts

53▼38Fulton County, ILIL32,9010.0%–

54▼26Adams County, ILIL64,2670.0%0.0 pts

55Kendall County, ILIL145,4700.0%0.0 pts

56Grundy County, ILIL54,0520.0%−0.2 pts

57▼23Bureau County, ILIL32,5100.0%0.0 pts

58▼37Douglas County, ILIL19,8800.0%0.0 pts

59Massac County, ILIL13,5020.0%–

60▲12Marion County, ILIL36,3820.0%0.0 pts

61▼37Rock Island County, ILIL141,8690.0%0.0 pts

62▲5Wayne County, ILIL15,8820.0%–

63▼3Iroquois County, ILIL26,1500.0%0.0 pts

64▼8Logan County, ILIL27,1820.0%−0.1 pts

65▼53Monroe County, ILIL34,8400.0%0.0 pts

66▼49Coles County, ILIL46,6070.0%−0.1 pts

67▼22DeKalb County, ILIL101,8350.0%−0.1 pts

68▼19Fayette County, ILIL20,7900.0%–

69Marshall County, ILIL11,4730.0%–

70▼2Clinton County, ILIL37,1280.0%−0.1 pts

71▲2Franklin County, ILIL36,9160.0%–

72▼10Jefferson County, ILIL36,1470.0%–

73▼3White County, ILIL13,2500.0%–

SHOWING 1–73 OF 73

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