RANKING · 1990 CENSUS · 329 SHOWN OF 329
Most sparsely populated, Illinois cities · 1990
Illinois cities with the fewest residents per square mile (1990). This list covers the 329 cities in Illinois that qualify, ranked against each other statewide. The median across all 329 is 1,788.
Flip the list · Most densely populated, US cities →Most sparsely populated by state
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RANKPLACESTATEPOPPOPULATION DENSITYVS –
SHOWING 1–329 OF 329
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS