RANKING · 2020 CENSUS · 16 SHOWN OF 16

Largest Korean population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Korean, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 16 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

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 POPULATIONVS 2000

01Cook County, ILIL5,194,6251,462–

02DuPage County, ILIL934,2981,212–

03Rock Island County, ILIL141,869903–

04Kane County, ILIL525,757602–

05Winnebago County, ILIL283,674488–

06Warren County, ILIL16,222118–

07McLean County, ILIL171,419101–

08Lake County, ILIL719,339100–

09Monroe County, ILIL34,84059–

10Will County, ILIL712,25339–

11Champaign County, ILIL209,97213–

12Jackson County, ILIL52,50110–

13Hancock County, ILIL16,8039–

14Henry County, ILIL48,0954–

15Sangamon County, ILIL194,1702–

16Logan County, ILIL27,1821–

SHOWING 1–16 OF 16

Download CSV (full list, 16 rows)

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