RANKING · 2000 CENSUS · 16 SHOWN OF 16

Fastest shrinking, Delaware cities · 2000

Delaware cities with the steepest population decline since the prior decennial census. 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 densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Claymont, DEDE8,786-5.9%+0%

02Wilmington Manor, DEDE8,214-3.6%+0%

03Brookside, DEDE15,115-3.3%+0%

04Elsmere, DEDE6,196-2.3%+0%

05New Castle, DEDE5,726+0.5%+0%

06Wilmington, DEDE73,512+1.6%+0%

07Edgemoor, DEDE6,349+2.4%+0%

08Smyrna, DEDE13,340+8.6%+0%

09Milford, DEDE14,723+10.2%+0%

10Newark, DEDE30,359+13.7%+0%

11Dover, DEDE40,592+16.7%+0%

12Seaford, DEDE9,165+17.6%+0%

13Georgetown, DEDE8,291+24.4%+0%

14Millsboro, DEDE7,890+43.6%+0%

15Middletown, DEDE25,798+60.7%+0%

16Pike Creek, DEDE7,129+94.3%+0%

SHOWING 1–16 OF 16

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES