RANKING · 2024 ACS · 98 SHOWN OF 98
Largest Swiss population, Illinois counties
Illinois counties ranked by the number of residents who are Swiss ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 98 counties in Illinois that qualify, ranked against each other statewide. The median across all 98 is 79. Biggest climber in the top 100 since 2020: Fayette County, IL, up 65 places to #31.
Swiss Americans: full group profile →Largest Swiss population by state
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RANKPLACESTATEPOPSWISS POPULATIONVS 2010
SHOWING 1–98 OF 98
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES