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RANKING · 2024 ACS · 63 SHOWN OF 63

Highest Korean population share, Illinois counties

Illinois counties ranked by the share of all residents who are Korean (2024 American Community Survey). A concentration measure: Korean residents as a percentage of total population. This list covers the 63 counties in Illinois that qualify, ranked against each other statewide. The median across all 63 is 0.1%. Biggest climber in the top 100 since 2020: Carroll County, IL, up 45 places to #8.

Korean Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Korean population share by state
RANKPLACESTATEPOPKOREAN SHAREVS 2020
01Champaign County, ILIL209,9721.4%0.0 pts
02▲3Wabash County, ILIL10,9071.1%+0.5 pts
03Lake County, ILIL719,3390.9%−0.1 pts
04Cook County, ILIL5,194,6250.7%0.0 pts
05▲3Jackson County, ILIL52,5010.5%0.0 pts
06▲1DuPage County, ILIL934,2980.5%0.0 pts
07▲9McHenry County, ILIL317,7510.3%+0.1 pts
08▲45Carroll County, ILIL15,4190.3%+0.3 pts
09Perry County, ILIL20,1600.3%–
10▲30Morgan County, ILIL32,5150.3%+0.2 pts
11▲11St. Clair County, ILIL250,7080.2%+0.1 pts
12▼1Will County, ILIL712,2530.2%0.0 pts
13▲4McLean County, ILIL171,4190.2%+0.1 pts
14▼1Peoria County, ILIL178,5530.2%0.0 pts
15Jefferson County, ILIL36,1470.2%0.0 pts
16▼4Kane County, ILIL525,7570.2%0.0 pts
17▲29Macon County, ILIL99,3000.2%+0.1 pts
18▲41Marion County, ILIL36,3820.2%+0.2 pts
19Mercer County, ILIL15,2290.2%–
20▲5Tazewell County, ILIL130,0490.2%0.0 pts
21Macoupin County, ILIL43,7480.2%0.0 pts
22▼12DeKalb County, ILIL101,8350.2%−0.1 pts
23▲29Coles County, ILIL46,6070.2%+0.1 pts
24▲7Madison County, ILIL263,1100.2%+0.1 pts
25Putnam County, ILIL5,6190.2%–
26▼2Kendall County, ILIL145,4700.2%0.0 pts
27▲14Saline County, ILIL22,7720.2%+0.1 pts
28▼19McDonough County, ILIL25,9160.1%−0.3 pts
29▼10Monroe County, ILIL34,8400.1%0.0 pts
30▼2Sangamon County, ILIL194,1700.1%0.0 pts
31▼13Clinton County, ILIL37,1280.1%0.0 pts
32▼3Winnebago County, ILIL283,6740.1%0.0 pts
33▼27Washington County, ILIL13,5640.1%−0.4 pts
34▲5Christian County, ILIL33,4430.1%+0.1 pts
35Livingston County, ILIL35,0570.1%–
36Henry County, ILIL48,0950.1%0.0 pts
37▲8Kankakee County, ILIL105,5250.1%+0.1 pts
38▼8Boone County, ILIL53,5680.1%0.0 pts
39▼13Edwards County, ILIL5,8980.1%0.0 pts
40▼5Lee County, ILIL32,9140.1%0.0 pts
41▼14Ogle County, ILIL51,3990.1%0.0 pts
42▼4Jersey County, ILIL21,1600.1%0.0 pts
43▲19Williamson County, ILIL67,2250.1%+0.1 pts
44▲10Vermilion County, ILIL71,2590.1%0.0 pts
45▼12Woodford County, ILIL38,1110.1%0.0 pts
46▼3Stephenson County, ILIL43,2200.1%0.0 pts
47White County, ILIL13,2500.1%–
48Cass County, ILIL12,4630.1%–
49▼17Adams County, ILIL64,2670.1%0.0 pts
50▲13Shelby County, ILIL20,5760.1%+0.1 pts
51▼37Rock Island County, ILIL141,8690.1%−0.2 pts
52▼5Iroquois County, ILIL26,1500.0%0.0 pts
53Piatt County, ILIL16,7910.0%–
54Marshall County, ILIL11,4730.0%–
55▲5Logan County, ILIL27,1820.0%0.0 pts
56LaSalle County, ILIL107,7730.0%0.0 pts
57▼7Hancock County, ILIL16,8030.0%0.0 pts
58▼10Douglas County, ILIL19,8800.0%0.0 pts
59▲2Whiteside County, ILIL54,1210.0%0.0 pts
60De Witt County, ILIL15,1180.0%–
61▼6Knox County, ILIL47,7670.0%0.0 pts
62Jo Daviess County, ILIL21,5940.0%–
63▼12Montgomery County, ILIL28,0760.0%0.0 pts
SHOWING 1–63 OF 63

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES