RANKING · 2025 ESTIMATES · 11 SHOWN OF 11

Most sparsely populated, Delaware cities

Delaware cities with the fewest residents per square mile (2025). This list covers the 11 cities in Delaware that qualify, ranked against each other statewide.

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RELATEDLargest by population Fastest growing Fastest shrinking Most population gained Most population lost Most densely populated

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Milford, DEDE14,7231,494–

02Millsboro, DEDE7,8901,544–

03New Castle, DEDE5,7261,646–

04Georgetown, DEDE8,2911,651–

05Dover, DEDE40,5921,704–

06Seaford, DEDE9,1651,796–

07Middletown, DEDE25,7982,035–

08Smyrna, DEDE13,3402,081–

09Newark, DEDE30,3593,204–

10Elsmere, DEDE6,1966,278–

11Wilmington, DEDE73,5126,747–

SHOWING 1–11 OF 11

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES