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RANKING · 2020 CENSUS · 19 SHOWN OF 19

Largest Mongolian population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Mongolian, 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 19 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll statesAll rankings
SAME RANKING BYCitiesStatesMetros
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 2000
01Cook County, ILIL5,194,6251,662–
02Lake County, ILIL719,339724–
03DuPage County, ILIL934,298606–
04Champaign County, ILIL209,97289–
05Winnebago County, ILIL283,67435–
06McHenry County, ILIL317,75132–
07Will County, ILIL712,25328–
08Coles County, ILIL46,60724–
09Madison County, ILIL263,11023–
10Ogle County, ILIL51,39923–
11Woodford County, ILIL38,11118–
12Rock Island County, ILIL141,86918–
13DeKalb County, ILIL101,83514–
14Livingston County, ILIL35,05714–
15Warren County, ILIL16,22213–
16Grundy County, ILIL54,0529–
17Sangamon County, ILIL194,1705–
18Kankakee County, ILIL105,5254–
19Hancock County, ILIL16,8033–
SHOWING 1–19 OF 19
Download CSV (full list, 19 rows)

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