RANKING · 2000 CENSUS · 16 SHOWN OF 16

Most population lost, Delaware cities · 2000

Delaware cities that lost the most residents from the 1990 census to 2000, by raw count of people rather than percentage. This list covers the 16 cities in Delaware that qualify, ranked against each other statewide. The median across all 16 is +717.

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DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01Claymont, DEDE8,786-580–

02Brookside, DEDE15,115-501–

03Wilmington Manor, DEDE8,214-306–

04Elsmere, DEDE6,196-135–

05New Castle, DEDE5,726+25–

06Edgemoor, DEDE6,349+139–

07Smyrna, DEDE13,340+448–

08Milford, DEDE14,723+624–

09Millsboro, DEDE7,890+717–

10Georgetown, DEDE8,291+911–

11Seaford, DEDE9,165+1,004–

12Wilmington, DEDE73,512+1,135–

13Middletown, DEDE25,798+2,327–

14Newark, DEDE30,359+3,449–

15Dover, DEDE40,592+4,606–

16Pike Creek, DEDE7,129+9,588–

SHOWING 1–16 OF 16

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