RANKING · 2020 CENSUS · 42 SHOWN OF 42

Largest Jamaican population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Jamaican ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 42 counties in Illinois that qualify, ranked against each other statewide.

Jamaican 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

RANKPLACESTATEPOPJAMAICAN POPULATIONVS 2010

01Cook County, ILIL5,194,62510,115+22%

02Lake County, ILIL719,3391,171−22%

03DuPage County, ILIL934,298671+55%

04Will County, ILIL712,253574+123%

05Kane County, ILIL525,757419+197%

06St. Clair County, ILIL250,708406+111%

07McHenry County, ILIL317,751395+1695%

08Winnebago County, ILIL283,674321+418%

09Stephenson County, ILIL43,220193+329%

10DeKalb County, ILIL101,835161+1050%

11Peoria County, ILIL178,553153+538%

12Madison County, ILIL263,110151+331%

13Rock Island County, ILIL141,86979+316%

14Ogle County, ILIL51,39976–

15McLean County, ILIL171,41961+259%

16Coles County, ILIL46,60759–

17Champaign County, ILIL209,97259−58%

18Sangamon County, ILIL194,17049−57%

19Pope County, ILIL3,67248–

20Kendall County, ILIL145,47047–

21Ford County, ILIL13,21639–

22McDonough County, ILIL25,91638+171%

23Kankakee County, ILIL105,52535−24%

24LaSalle County, ILIL107,77335–

25Mercer County, ILIL15,22925–

26Perry County, ILIL20,16022–

27Clinton County, ILIL37,12819–

28Macon County, ILIL99,30019−21%

29Tazewell County, ILIL130,04919+0%

30De Witt County, ILIL15,11817–

31Williamson County, ILIL67,22516+45%

32Fulton County, ILIL32,90115+67%

33Lee County, ILIL32,91415+275%

34Jefferson County, ILIL36,14714+100%

35Livingston County, ILIL35,05711–

36Alexander County, ILIL4,5707−77%

37Hardin County, ILIL3,5885–

38Logan County, ILIL27,1825−79%

39Macoupin County, ILIL43,7485–

40Henry County, ILIL48,0954–

41Jackson County, ILIL52,5013–

42Warren County, ILIL16,2221–

SHOWING 1–42 OF 42

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