RANKING · 1990 CENSUS · 16 SHOWN OF 16

Most sparsely populated, Delaware cities · 1990

Delaware cities with the fewest residents per square mile (1990). This list covers the 16 cities in Delaware that qualify, ranked against each other statewide. The median across all 16 is 2,649.

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DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Middletown, DEDE25,798302–

02Millsboro, DEDE7,890322–

03Milford, DEDE14,723620–

04Georgetown, DEDE8,291743–

05Smyrna, DEDE13,340816–

06Seaford, DEDE9,1651,116–

07Dover, DEDE40,5921,156–

08New Castle, DEDE5,7261,391–

09Newark, DEDE30,3592,649–

10Edgemoor, DEDE6,3493,052–

11Pike Creek, DEDE7,1293,779–

12Brookside, DEDE15,1153,943–

13Claymont, DEDE8,7864,556–

14Wilmington Manor, DEDE8,2145,244–

15Elsmere, DEDE6,1966,013–

16Wilmington, DEDE73,5126,565–

SHOWING 1–16 OF 16

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS