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. The median across all 60 is 22. Biggest climber in the top 100 since 2020: Fulton County, IL, up 33 places to #33.

Romanian Americans: full group profile →

IllinoisAll states All rankings

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%

02▲1DuPage County, ILIL934,2983,528+22%

03▼1Lake County, ILIL719,3392,991−12%

04▲1Will County, ILIL712,2532,030+104%

05▼1Kane County, ILIL525,7571,511−21%

06▲1Kendall County, ILIL145,4701,343+147%

07▼1McHenry County, ILIL317,751613−43%

08DeKalb County, ILIL101,835443+78%

09▲4Peoria County, ILIL178,553287+99%

10▲5Champaign County, ILIL209,972163−36%

11▲3McLean County, ILIL171,419134+2%

12▼3LaSalle County, ILIL107,77377−77%

13▼3Madison County, ILIL263,11075−73%

14▲4Macon County, ILIL99,30066+725%

15▼4Winnebago County, ILIL283,67463−68%

16▲5Jackson County, ILIL52,50160−18%

17▼5St. Clair County, ILIL250,70859−77%

18▲6Tazewell County, ILIL130,04953−37%

19▲1Whiteside County, ILIL54,12152–

20▲3Sangamon County, ILIL194,17044−6%

21▲4Coles County, ILIL46,607430%

22▲23Grundy County, ILIL54,05239−24%

23▼6Rock Island County, ILIL141,86936−80%

24▲2Boone County, ILIL53,56836–

25▲10Effingham County, ILIL34,51930–

26▲17Monroe County, ILIL34,84028−3%

27Johnson County, ILIL13,36326–

28▼1Kankakee County, ILIL105,52525−67%

29White County, ILIL13,25025–

30Adams County, ILIL64,26722+267%

31▲1Douglas County, ILIL19,88018–

32▲31Knox County, ILIL47,76716−56%

33▲33Fulton County, ILIL32,90113−46%

34▲30Morgan County, ILIL32,51513−32%

35▲2Ogle County, ILIL51,39913−19%

36Bond County, ILIL16,95912–

37▲5Putnam County, ILIL5,61912–

38▲24Christian County, ILIL33,44311–

39▲5Stephenson County, ILIL43,22011−78%

40▲19Edgar County, ILIL16,32310–

41Richland County, ILIL15,21910–

42▲10Logan County, ILIL27,1829–

43▲4Randolph County, ILIL29,9219–

44▼3De Witt County, ILIL15,1188–

45▼29Ford County, ILIL13,2168−79%

46Livingston County, ILIL35,05780%

47Saline County, ILIL22,7727–

48▼29Lee County, ILIL32,9147−89%

49▼21Macoupin County, ILIL43,7487−13%

50Montgomery County, ILIL28,0766−33%

51▼11Williamson County, ILIL67,2256−57%

52▼3Carroll County, ILIL15,4194−86%

53▲8Crawford County, ILIL18,6484–

54Piatt County, ILIL16,7914–

55▼9Iroquois County, ILIL26,1503−67%

56▼17Bureau County, ILIL32,5102−78%

57▲3Jasper County, ILIL9,0322−96%

58Marshall County, ILIL11,4732−33%

59▲6Perry County, ILIL20,1601−96%

60▼27Vermilion County, ILIL71,2591−94%

SHOWING 1–60 OF 60

Download CSV (full list, 60 rows)

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