RANKING · 2020 CENSUS · 58 SHOWN OF 58

Highest Vietnamese population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Vietnamese (2020 American Community Survey). A concentration measure: Vietnamese residents as a percentage of total population. This list covers the 58 counties in Illinois that qualify, ranked against each other statewide. The median across all 58 is 0.1%.

Vietnamese Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPVIETNAMESE SHAREVS –

01Champaign County, ILIL209,9720.5%–

02Williamson County, ILIL67,2250.5%–

03DuPage County, ILIL934,2980.4%–

04Piatt County, ILIL16,7910.4%–

05Peoria County, ILIL178,5530.4%–

06Jackson County, ILIL52,5010.4%–

07Cook County, ILIL5,194,6250.3%–

08Jo Daviess County, ILIL21,5940.3%–

09McHenry County, ILIL317,7510.3%–

10Monroe County, ILIL34,8400.3%–

11Kane County, ILIL525,7570.3%–

12Putnam County, ILIL5,6190.2%–

13Lake County, ILIL719,3390.2%–

14Pope County, ILIL3,6720.2%–

15Will County, ILIL712,2530.2%–

16McLean County, ILIL171,4190.2%–

17LaSalle County, ILIL107,7730.2%–

18Tazewell County, ILIL130,0490.2%–

19Christian County, ILIL33,4430.2%–

20Winnebago County, ILIL283,6740.2%–

21Henry County, ILIL48,0950.1%–

22Wabash County, ILIL10,9070.1%–

23Rock Island County, ILIL141,8690.1%–

24Knox County, ILIL47,7670.1%–

25Mercer County, ILIL15,2290.1%–

26Sangamon County, ILIL194,1700.1%–

27Kendall County, ILIL145,4700.1%–

28Madison County, ILIL263,1100.1%–

29Vermilion County, ILIL71,2590.1%–

30Edwards County, ILIL5,8980.1%–

31Jefferson County, ILIL36,1470.1%–

32Saline County, ILIL22,7720.1%–

33Franklin County, ILIL36,9160.1%–

34Ogle County, ILIL51,3990.1%–

35St. Clair County, ILIL250,7080.1%–

36Pike County, ILIL14,2310.1%–

37Perry County, ILIL20,1600.1%–

38Lawrence County, ILIL13,7900.1%–

39Marion County, ILIL36,3820.1%–

40DeKalb County, ILIL101,8350.0%–

41Macon County, ILIL99,3000.0%–

42Union County, ILIL16,6560.0%–

43Wayne County, ILIL15,8820.0%–

44Effingham County, ILIL34,5190.0%–

45Fayette County, ILIL20,7900.0%–

46Randolph County, ILIL29,9210.0%–

47Boone County, ILIL53,5680.0%–

48Coles County, ILIL46,6070.0%–

49Adams County, ILIL64,2670.0%–

50Hancock County, ILIL16,8030.0%–

51Logan County, ILIL27,1820.0%–

52Carroll County, ILIL15,4190.0%–

53Clark County, ILIL15,1140.0%–

54Kankakee County, ILIL105,5250.0%–

55Bureau County, ILIL32,5100.0%–

56Fulton County, ILIL32,9010.0%–

57Crawford County, ILIL18,6480.0%–

58Iroquois County, ILIL26,1500.0%–

SHOWING 1–58 OF 58

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