RANKING · 2020 CENSUS · 335 SHOWN OF 335
Highest Irish population share, Illinois cities · 2020
Illinois cities ranked by the share of all residents who are Irish ancestry (2020 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 335 cities in Illinois that qualify, ranked against each other statewide.
Irish Americans: full group profile →Highest Irish population share by state
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RANKPLACESTATEPOPIRISH SHAREVS 2010
SHOWING 1–335 OF 335
UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS