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RANKING · 2020 CENSUS · 13 SHOWN OF 13

Largest Mongolian population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Mongolian, 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 13 counties in Illinois that qualify, ranked against each other statewide.

Mongolian Americans: full group profile →
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RELATEDLargest Chinese populationHighest Chinese population shareLargest Taiwanese populationHighest Taiwanese population shareLargest Hmong populationHighest Hmong population share
YEAR20202024
Largest Mongolian population by state
All USCaliforniaColoradoIllinoisNew YorkOhioPennsylvaniaTexasVirginiaWisconsin
RANKPLACESTATEPOPMONGOLIAN POPULATIONVS –
01Cook County, ILIL5,194,6253,111–
02DuPage County, ILIL934,298253–
03Rock Island County, ILIL141,869228–
04Winnebago County, ILIL283,674212–
05St. Clair County, ILIL250,708203–
06Will County, ILIL712,253136–
07Champaign County, ILIL209,97259–
08Sangamon County, ILIL194,17039–
09Madison County, ILIL263,11038–
10McLean County, ILIL171,41923–
11Kane County, ILIL525,75720–
12Boone County, ILIL53,56819–
13Lake County, ILIL719,3398–
SHOWING 1–13 OF 13
Download CSV (full list, 13 rows)

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