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. The median across all 13 is 0.0%. Biggest climber in the top 100 since 2020: DuPage County, IL, up 8 places to #3.

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Highest Sri Lankan population share by state

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RANKPLACESTATEPOPSRI LANKAN SHAREVS 2020

01▲1Knox County, ILIL47,7670.1%0.0 pts

02▼1Jackson County, ILIL52,5010.1%−0.1 pts

03▲8DuPage County, ILIL934,2980.0%0.0 pts

04Williamson County, ILIL67,2250.0%0.0 pts

05Vermilion County, ILIL71,2590.0%–

06▲1Champaign County, ILIL209,9720.0%0.0 pts

07▼1Lake County, ILIL719,3390.0%0.0 pts

08▼3Will County, ILIL712,2530.0%0.0 pts

09▲3Cook County, ILIL5,194,6250.0%0.0 pts

10McHenry County, ILIL317,7510.0%–

11Marshall County, ILIL11,4730.0%–

12▲1Sangamon County, ILIL194,1700.0%0.0 pts

13Madison County, ILIL263,1100.0%–

SHOWING 1–13 OF 13

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