RANKING · 2010 CENSUS · 334 SHOWN OF 334
Highest Irish population share, Illinois cities · 2010
Illinois cities ranked by the share of all residents who are Irish ancestry (2010 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 334 cities in Illinois that qualify, ranked against each other statewide. The median across all 334 is 14.8%.
Irish Americans: full group profile →Highest Irish population share by state
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RANKPLACESTATEPOPIRISH SHAREVS –
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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS