RANKING · 2010 CENSUS · 35 SHOWN OF 35

Highest Jamaican population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Jamaican ancestry (2010 American Community Survey). A concentration measure: Jamaican residents as a percentage of total population. This list covers the 35 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 SHAREVS –

01Alexander County, ILIL4,5700.4%–

02Lake County, ILIL719,3390.2%–

03Cook County, ILIL5,194,6250.2%–

04Lawrence County, ILIL13,7900.1%–

05Hancock County, ILIL16,8030.1%–

06Vermilion County, ILIL71,2590.1%–

07Stephenson County, ILIL43,2200.1%–

08Logan County, ILIL27,1820.1%–

09St. Clair County, ILIL250,7080.1%–

10Champaign County, ILIL209,9720.1%–

11Sangamon County, ILIL194,1700.1%–

12Henderson County, ILIL5,9840.1%–

13Saline County, ILIL22,7720.1%–

14DuPage County, ILIL934,2980.0%–

15McDonough County, ILIL25,9160.0%–

16Knox County, ILIL47,7670.0%–

17Kankakee County, ILIL105,5250.0%–

18Will County, ILIL712,2530.0%–

19Kane County, ILIL525,7570.0%–

20Randolph County, ILIL29,9210.0%–

21Fulton County, ILIL32,9010.0%–

22Macon County, ILIL99,3000.0%–

23Winnebago County, ILIL283,6740.0%–

24Jefferson County, ILIL36,1470.0%–

25Williamson County, ILIL67,2250.0%–

26Iroquois County, ILIL26,1500.0%–

27Tazewell County, ILIL130,0490.0%–

28DeKalb County, ILIL101,8350.0%–

29Madison County, ILIL263,1100.0%–

30Peoria County, ILIL178,5530.0%–

31Rock Island County, ILIL141,8690.0%–

32Lee County, ILIL32,9140.0%–

33McLean County, ILIL171,4190.0%–

34Morgan County, ILIL32,5150.0%–

35McHenry County, ILIL317,7510.0%–

SHOWING 1–35 OF 35

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS