RANKING · 2024 ACS · 60 SHOWN OF 60

Highest Romanian population share, Illinois counties

Illinois counties ranked by the share of all residents who are Romanian ancestry (2024 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. 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 SHAREVS 2010

01Kendall County, ILIL145,4701.0%+0.5 pts

02DeKalb County, ILIL101,8350.4%+0.2 pts

03Lake County, ILIL719,3390.4%−0.1 pts

04DuPage County, ILIL934,2980.4%+0.1 pts

05Cook County, ILIL5,194,6250.4%−0.0 pts

06Kane County, ILIL525,7570.3%−0.1 pts

07Will County, ILIL712,2530.3%+0.1 pts

08Putnam County, ILIL5,6190.2%–

09McHenry County, ILIL317,7510.2%−0.2 pts

10Johnson County, ILIL13,3630.2%–

11White County, ILIL13,2500.2%–

12Peoria County, ILIL178,5530.2%+0.1 pts

13Jackson County, ILIL52,5010.1%−0.0 pts

14Whiteside County, ILIL54,1210.1%–

15Coles County, ILIL46,6070.1%+0.0 pts

16Douglas County, ILIL19,8800.1%–

17Effingham County, ILIL34,5190.1%–

18Monroe County, ILIL34,8400.1%−0.0 pts

19McLean County, ILIL171,4190.1%−0.0 pts

20Champaign County, ILIL209,9720.1%−0.1 pts

21Grundy County, ILIL54,0520.1%−0.0 pts

22Bond County, ILIL16,9590.1%–

23LaSalle County, ILIL107,7730.1%−0.2 pts

24Boone County, ILIL53,5680.1%–

25Macon County, ILIL99,3000.1%+0.1 pts

26Richland County, ILIL15,2190.1%–

27Edgar County, ILIL16,3230.1%–

28Ford County, ILIL13,2160.1%−0.2 pts

29De Witt County, ILIL15,1180.1%–

30Tazewell County, ILIL130,0490.0%−0.0 pts

31Fulton County, ILIL32,9010.0%−0.0 pts

32Morgan County, ILIL32,5150.0%−0.0 pts

33Adams County, ILIL64,2670.0%+0.0 pts

34Christian County, ILIL33,4430.0%–

35Knox County, ILIL47,7670.0%−0.0 pts

36Logan County, ILIL27,1820.0%–

37Saline County, ILIL22,7720.0%–

38Randolph County, ILIL29,9210.0%–

39Madison County, ILIL263,1100.0%−0.1 pts

40Carroll County, ILIL15,4190.0%−0.2 pts

41Ogle County, ILIL51,3990.0%−0.0 pts

42Rock Island County, ILIL141,8690.0%−0.1 pts

43Stephenson County, ILIL43,2200.0%−0.1 pts

44Piatt County, ILIL16,7910.0%–

45Kankakee County, ILIL105,5250.0%−0.0 pts

46St. Clair County, ILIL250,7080.0%−0.1 pts

47Sangamon County, ILIL194,1700.0%−0.0 pts

48Livingston County, ILIL35,0570.0%+0.0 pts

49Winnebago County, ILIL283,6740.0%−0.0 pts

50Jasper County, ILIL9,0320.0%−0.5 pts

51Crawford County, ILIL18,6480.0%–

52Montgomery County, ILIL28,0760.0%−0.0 pts

53Lee County, ILIL32,9140.0%−0.2 pts

54Marshall County, ILIL11,4730.0%−0.0 pts

55Macoupin County, ILIL43,7480.0%−0.0 pts

56Iroquois County, ILIL26,1500.0%−0.0 pts

57Williamson County, ILIL67,2250.0%−0.0 pts

58Bureau County, ILIL32,5100.0%−0.0 pts

59Perry County, ILIL20,1600.0%−0.1 pts

60Vermilion County, ILIL71,2590.0%−0.0 pts

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