RANKING · 2000 CENSUS · 331 SHOWN OF 331
Most densely populated, Illinois cities · 2000
Illinois cities ranked by residents per square mile (2023). This list covers the 331 cities in Illinois that qualify, ranked against each other statewide.
Flip the list · Most sparsely populated, US cities →Most densely populated by state
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RANKPLACESTATEPOPPOPULATION DENSITYVS 2000
SHOWING 1–331 OF 331
UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES