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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. The median across all 42 is 39.

Jamaican Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Jamaican population by state
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, ILIL130,049190%
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

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