RANKING · 2024 ACS · 102 SHOWN OF 102
Highest German population share, Illinois counties
Illinois counties ranked by the share of all residents who are German ancestry (2024 American Community Survey). A concentration measure: German residents as a percentage of total population. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 23.5%. Biggest climber in the top 100 since 2020: Henderson County, IL, up 34 places to #46.
German Americans: full group profile →Highest German population share by state
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RANKPLACESTATEPOPGERMAN SHAREVS 2010
SHOWING 1–102 OF 102
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES