RANKING · 2024 ACS · 13 SHOWN OF 13

Highest Sri Lankan population share, Illinois counties

Illinois counties ranked by the share of all residents who are Sri Lankan (2024 American Community Survey). A concentration measure: Sri Lankan residents as a percentage of total population. This list covers the 13 counties in Illinois that qualify, ranked against each other statewide.

Sri Lankan Americans: full group profile →

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Highest Sri Lankan population share by state

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RANKPLACESTATEPOPSRI LANKAN SHAREVS 2020

01Knox County, ILIL47,7670.1%+0.0 pts

02Jackson County, ILIL52,5010.1%−0.1 pts

03DuPage County, ILIL934,2980.0%+0.0 pts

04Williamson County, ILIL67,2250.0%−0.0 pts

05Vermilion County, ILIL71,2590.0%–

06Champaign County, ILIL209,9720.0%−0.0 pts

07Lake County, ILIL719,3390.0%−0.0 pts

08Will County, ILIL712,2530.0%−0.0 pts

09Cook County, ILIL5,194,6250.0%+0.0 pts

10McHenry County, ILIL317,7510.0%–

11Marshall County, ILIL11,4730.0%–

12Sangamon County, ILIL194,1700.0%−0.0 pts

13Madison County, ILIL263,1100.0%–

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES