RANKING · 2020 CENSUS · 66 SHOWN OF 66

Highest Romanian population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Romanian ancestry (2023 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 66 counties in Illinois that qualify, ranked against each other statewide.

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 SHAREVS 2000

01Ford County, ILIL13,2160.6%–

02Lake County, ILIL719,3390.6%–

03Kendall County, ILIL145,4700.5%–

04Cook County, ILIL5,194,6250.4%–

05DeKalb County, ILIL101,8350.4%–

06DuPage County, ILIL934,2980.3%–

07Jo Daviess County, ILIL21,5940.3%–

08Kane County, ILIL525,7570.2%–

09Putnam County, ILIL5,6190.2%–

10McHenry County, ILIL317,7510.2%–

11Mercer County, ILIL15,2290.2%–

12LaSalle County, ILIL107,7730.2%–

13Will County, ILIL712,2530.2%–

14Lee County, ILIL32,9140.2%–

15Clark County, ILIL15,1140.1%–

16Douglas County, ILIL19,8800.1%–

17Schuyler County, ILIL6,6570.1%–

18Stark County, ILIL5,3190.1%–

19Lawrence County, ILIL13,7900.1%–

20Whiteside County, ILIL54,1210.1%–

21Jackson County, ILIL52,5010.1%–

22McDonough County, ILIL25,9160.1%–

23De Witt County, ILIL15,1180.1%–

24Coles County, ILIL46,6070.1%–

25Madison County, ILIL263,1100.1%–

26Boone County, ILIL53,5680.1%–

27Macoupin County, ILIL43,7480.1%–

28Peoria County, ILIL178,5530.1%–

29Winnebago County, ILIL283,6740.1%–

30McLean County, ILIL171,4190.1%–

31Menard County, ILIL11,8630.1%–

32Macon County, ILIL99,3000.1%–

33Carroll County, ILIL15,4190.1%–

34St. Clair County, ILIL250,7080.1%–

35Effingham County, ILIL34,5190.1%–

36Warren County, ILIL16,2220.1%–

37Bureau County, ILIL32,5100.1%–

38Rock Island County, ILIL141,8690.1%–

39Champaign County, ILIL209,9720.1%–

40Henry County, ILIL48,0950.0%–

41Adams County, ILIL64,2670.0%–

42Pike County, ILIL14,2310.0%–

43Iroquois County, ILIL26,1500.0%–

44Ogle County, ILIL51,3990.0%–

45Monroe County, ILIL34,8400.0%–

46Kankakee County, ILIL105,5250.0%–

47Randolph County, ILIL29,9210.0%–

48Tazewell County, ILIL130,0490.0%–

49Vermilion County, ILIL71,2590.0%–

50Shelby County, ILIL20,5760.0%–

51Jasper County, ILIL9,0320.0%–

52Stephenson County, ILIL43,2200.0%–

53Massac County, ILIL13,5020.0%–

54Logan County, ILIL27,1820.0%–

55Williamson County, ILIL67,2250.0%–

56Sangamon County, ILIL194,1700.0%–

57Grundy County, ILIL54,0520.0%–

58Edgar County, ILIL16,3230.0%–

59Jefferson County, ILIL36,1470.0%–

60Franklin County, ILIL36,9160.0%–

61Crawford County, ILIL18,6480.0%–

62Perry County, ILIL20,1600.0%–

63Christian County, ILIL33,4430.0%–

64Morgan County, ILIL32,5150.0%–

65Knox County, ILIL47,7670.0%–

66Fulton County, ILIL32,9010.0%–

SHOWING 1–66 OF 66

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES