RANKING · 2010 CENSUS · 334 SHOWN OF 334
Most sparsely populated, Illinois cities · 2010
Illinois cities with the fewest residents per square mile (2023). This list covers the 334 cities in Illinois that qualify, ranked against each other statewide.
Flip the list · Most densely populated, US cities →Most sparsely populated by state
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RANKPLACESTATEPOPPOPULATION DENSITYVS 2000
SHOWING 1–334 OF 334
UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES