RANKING · 2000 CENSUS · 16 SHOWN OF 16

Fastest shrinking, Delaware cities · 2000

Delaware cities with the steepest population decline from the 1990 census to 2000. This list covers the 16 cities in Delaware that qualify, ranked against each other statewide.

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DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

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

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Claymont, DEDE8,786-5.9%–

02Wilmington Manor, DEDE8,214-3.6%–

03Brookside, DEDE15,115-3.3%–

04Elsmere, DEDE6,196-2.3%–

05New Castle, DEDE5,726+0.5%–

06Wilmington, DEDE73,512+1.6%–

07Edgemoor, DEDE6,349+2.4%–

08Smyrna, DEDE13,340+8.6%–

09Milford, DEDE14,723+10.2%–

10Newark, DEDE30,359+13.7%–

11Dover, DEDE40,592+16.7%–

12Seaford, DEDE9,165+17.6%–

13Georgetown, DEDE8,291+24.4%–

14Millsboro, DEDE7,890+43.6%–

15Middletown, DEDE25,798+60.7%–

16Pike Creek, DEDE7,129+94.3%–

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS