RANKING · 2020 CENSUS · 42 SHOWN OF 42

Highest Jamaican population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Jamaican ancestry (2020 American Community Survey). A concentration measure: Jamaican residents as a percentage of total population. This list covers the 42 counties in Illinois that qualify, ranked against each other statewide. The median across all 42 is 0.1%.

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 SHAREVS 2010

01Pope County, ILIL3,6721.1%–

02Stephenson County, ILIL43,2200.4%+0.3 pts

03Ford County, ILIL13,2160.3%–

04Cook County, ILIL5,194,6250.2%0.0 pts

05Lake County, ILIL719,3390.2%0.0 pts

06Mercer County, ILIL15,2290.2%–

07St. Clair County, ILIL250,7080.2%+0.1 pts

08DeKalb County, ILIL101,8350.2%+0.1 pts

09Ogle County, ILIL51,3990.1%–

10McHenry County, ILIL317,7510.1%+0.1 pts

11Hardin County, ILIL3,5880.1%–

12McDonough County, ILIL25,9160.1%+0.1 pts

13Alexander County, ILIL4,5700.1%−0.2 pts

14Coles County, ILIL46,6070.1%–

15Winnebago County, ILIL283,6740.1%+0.1 pts

16De Witt County, ILIL15,1180.1%–

17Perry County, ILIL20,1600.1%–

18Peoria County, ILIL178,5530.1%+0.1 pts

19Will County, ILIL712,2530.1%0.0 pts

20Kane County, ILIL525,7570.1%+0.1 pts

21DuPage County, ILIL934,2980.1%0.0 pts

22Madison County, ILIL263,1100.1%0.0 pts

23Rock Island County, ILIL141,8690.1%0.0 pts

24Clinton County, ILIL37,1280.1%–

25Lee County, ILIL32,9140.0%0.0 pts

26Fulton County, ILIL32,9010.0%0.0 pts

27Jefferson County, ILIL36,1470.0%0.0 pts

28Kendall County, ILIL145,4700.0%–

29McLean County, ILIL171,4190.0%0.0 pts

30LaSalle County, ILIL107,7730.0%–

31Kankakee County, ILIL105,5250.0%0.0 pts

32Livingston County, ILIL35,0570.0%–

33Champaign County, ILIL209,9720.0%0.0 pts

34Sangamon County, ILIL194,1700.0%0.0 pts

35Williamson County, ILIL67,2250.0%0.0 pts

36Macon County, ILIL99,3000.0%0.0 pts

37Logan County, ILIL27,1820.0%−0.1 pts

38Tazewell County, ILIL130,0490.0%0.0 pts

39Macoupin County, ILIL43,7480.0%–

40Henry County, ILIL48,0950.0%–

41Warren County, ILIL16,2220.0%–

42Jackson County, ILIL52,5010.0%–

SHOWING 1–42 OF 42

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