RANKING · 2024 ACS · 60 SHOWN OF 60

Largest Romanian population, Illinois counties

Illinois counties ranked by the number of residents who are Romanian 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 60 counties in Illinois that qualify, ranked against each other statewide.

Romanian 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

RANKPLACESTATEPOPROMANIAN POPULATIONVS 2010

01Cook County, ILIL5,194,62519,425−6%

02DuPage County, ILIL934,2983,528+22%

03Lake County, ILIL719,3392,991−12%

04Will County, ILIL712,2532,030+104%

05Kane County, ILIL525,7571,511−21%

06Kendall County, ILIL145,4701,343+147%

07McHenry County, ILIL317,751613−43%

08DeKalb County, ILIL101,835443+78%

09Peoria County, ILIL178,553287+99%

10Champaign County, ILIL209,972163−36%

11McLean County, ILIL171,419134+2%

12LaSalle County, ILIL107,77377−77%

13Madison County, ILIL263,11075−73%

14Macon County, ILIL99,30066+725%

15Winnebago County, ILIL283,67463−68%

16Jackson County, ILIL52,50160−18%

17St. Clair County, ILIL250,70859−77%

18Tazewell County, ILIL130,04953−37%

19Whiteside County, ILIL54,12152–

20Sangamon County, ILIL194,17044−6%

21Coles County, ILIL46,60743+0%

22Grundy County, ILIL54,05239−24%

23Rock Island County, ILIL141,86936−80%

24Boone County, ILIL53,56836–

25Effingham County, ILIL34,51930–

26Monroe County, ILIL34,84028−3%

27Johnson County, ILIL13,36326–

28Kankakee County, ILIL105,52525−67%

29White County, ILIL13,25025–

30Adams County, ILIL64,26722+267%

31Douglas County, ILIL19,88018–

32Knox County, ILIL47,76716−56%

33Fulton County, ILIL32,90113−46%

34Morgan County, ILIL32,51513−32%

35Ogle County, ILIL51,39913−19%

36Bond County, ILIL16,95912–

37Putnam County, ILIL5,61912–

38Christian County, ILIL33,44311–

39Stephenson County, ILIL43,22011−78%

40Edgar County, ILIL16,32310–

41Richland County, ILIL15,21910–

42Logan County, ILIL27,1829–

43Randolph County, ILIL29,9219–

44De Witt County, ILIL15,1188–

45Ford County, ILIL13,2168−79%

46Livingston County, ILIL35,0578+0%

47Saline County, ILIL22,7727–

48Lee County, ILIL32,9147−89%

49Macoupin County, ILIL43,7487−13%

50Montgomery County, ILIL28,0766−33%

51Williamson County, ILIL67,2256−57%

52Carroll County, ILIL15,4194−86%

53Crawford County, ILIL18,6484–

54Piatt County, ILIL16,7914–

55Iroquois County, ILIL26,1503−67%

56Bureau County, ILIL32,5102−78%

57Jasper County, ILIL9,0322−96%

58Marshall County, ILIL11,4732−33%

59Perry County, ILIL20,1601−96%

60Vermilion County, ILIL71,2591−94%

SHOWING 1–60 OF 60

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