RANKING · 2020 CENSUS · 16 SHOWN OF 16

Highest Korean population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Korean (2023 American Community Survey). A concentration measure: Korean residents as a percentage of total population. This list covers the 16 counties in Illinois that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPKOREAN SHAREVS 2000

01Warren County, ILIL16,2220.7%–

02Rock Island County, ILIL141,8690.6%–

03Winnebago County, ILIL283,6740.2%–

04Monroe County, ILIL34,8400.2%–

05DuPage County, ILIL934,2980.1%–

06Kane County, ILIL525,7570.1%–

07McLean County, ILIL171,4190.1%–

08Hancock County, ILIL16,8030.1%–

09Cook County, ILIL5,194,6250.0%–

10Jackson County, ILIL52,5010.0%–

11Lake County, ILIL719,3390.0%–

12Henry County, ILIL48,0950.0%–

13Champaign County, ILIL209,9720.0%–

14Will County, ILIL712,2530.0%–

15Logan County, ILIL27,1820.0%–

16Sangamon County, ILIL194,1700.0%–

SHOWING 1–16 OF 16

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES