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 (2020 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. The median across all 66 is 0.1%.

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

01Ford County, ILIL13,2160.6%+0.4 pts

02Lake County, ILIL719,3390.6%+0.1 pts

03Kendall County, ILIL145,4700.5%−0.1 pts

04Cook County, ILIL5,194,6250.4%0.0 pts

05DeKalb County, ILIL101,8350.4%+0.2 pts

06DuPage County, ILIL934,2980.3%0.0 pts

07Jo Daviess County, ILIL21,5940.3%+0.2 pts

08Kane County, ILIL525,7570.2%−0.1 pts

09Putnam County, ILIL5,6190.2%–

10McHenry County, ILIL317,7510.2%−0.1 pts

11Mercer County, ILIL15,2290.2%+0.1 pts

12LaSalle County, ILIL107,7730.2%−0.1 pts

13Will County, ILIL712,2530.2%0.0 pts

14Lee County, ILIL32,9140.2%0.0 pts

15Clark County, ILIL15,1140.1%–

16Douglas County, ILIL19,8800.1%–

17Schuyler County, ILIL6,6570.1%–

18Stark County, ILIL5,3190.1%+0.1 pts

19Lawrence County, ILIL13,7900.1%–

20Whiteside County, ILIL54,1210.1%–

21Jackson County, ILIL52,5010.1%0.0 pts

22McDonough County, ILIL25,9160.1%0.0 pts

23De Witt County, ILIL15,1180.1%–

24Coles County, ILIL46,6070.1%0.0 pts

25Madison County, ILIL263,1100.1%0.0 pts

26Boone County, ILIL53,5680.1%–

27Macoupin County, ILIL43,7480.1%+0.1 pts

28Peoria County, ILIL178,5530.1%0.0 pts

29Winnebago County, ILIL283,6740.1%0.0 pts

30McLean County, ILIL171,4190.1%0.0 pts

31Menard County, ILIL11,8630.1%–

32Macon County, ILIL99,3000.1%+0.1 pts

33Carroll County, ILIL15,4190.1%−0.1 pts

34St. Clair County, ILIL250,7080.1%0.0 pts

35Effingham County, ILIL34,5190.1%–

36Warren County, ILIL16,2220.1%−0.1 pts

37Bureau County, ILIL32,5100.1%0.0 pts

38Rock Island County, ILIL141,8690.1%−0.1 pts

39Champaign County, ILIL209,9720.1%−0.1 pts

40Henry County, ILIL48,0950.0%0.0 pts

41Adams County, ILIL64,2670.0%0.0 pts

42Pike County, ILIL14,2310.0%–

43Iroquois County, ILIL26,1500.0%0.0 pts

44Ogle County, ILIL51,3990.0%0.0 pts

45Monroe County, ILIL34,8400.0%−0.1 pts

46Kankakee County, ILIL105,5250.0%0.0 pts

47Randolph County, ILIL29,9210.0%–

48Tazewell County, ILIL130,0490.0%0.0 pts

49Vermilion County, ILIL71,2590.0%0.0 pts

50Shelby County, ILIL20,5760.0%0.0 pts

51Jasper County, ILIL9,0320.0%−0.5 pts

52Stephenson County, ILIL43,2200.0%−0.1 pts

53Massac County, ILIL13,5020.0%–

54Logan County, ILIL27,1820.0%–

55Williamson County, ILIL67,2250.0%0.0 pts

56Sangamon County, ILIL194,1700.0%0.0 pts

57Grundy County, ILIL54,0520.0%−0.1 pts

58Edgar County, ILIL16,3230.0%–

59Jefferson County, ILIL36,1470.0%0.0 pts

60Franklin County, ILIL36,9160.0%–

61Crawford County, ILIL18,6480.0%–

62Perry County, ILIL20,1600.0%−0.1 pts

63Christian County, ILIL33,4430.0%–

64Morgan County, ILIL32,5150.0%0.0 pts

65Knox County, ILIL47,7670.0%−0.1 pts

66Fulton County, ILIL32,9010.0%−0.1 pts

SHOWING 1–66 OF 66

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS