RANKING · 2024 ACS · 21 SHOWN OF 21

Fastest shrinking, Delaware cities

Delaware cities with the steepest population decline from the 2020 census to 2024. This list covers the 21 cities in Delaware that qualify, ranked against each other statewide.

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DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Claymont, DEDE8,786-11.2%−5.3 pts

02Pike Creek, DEDE7,129-8.7%−103.0 pts

03Edgemoor, DEDE6,349-4.3%−6.7 pts

04Bear, DEDE22,370-3.0%–

05North Star, DEDE7,834-2.8%–

06Newark, DEDE30,359-0.9%−14.6 pts

07Elsmere, DEDE6,196-0.4%+1.9 pts

08Hockessin, DEDE13,439-0.3%–

09New Castle, DEDE5,726+0.5%−0.0 pts

10Wilmington Manor, DEDE8,214+0.6%+4.2 pts

11Brookside, DEDE15,115+0.9%+4.2 pts

12Dover, DEDE40,592+1.1%−15.6 pts

13Wilmington, DEDE73,512+1.2%−0.4 pts

14Glasgow, DEDE15,546+1.7%–

15Smyrna, DEDE13,340+2.2%−6.4 pts

16Pike Creek Valley, DEDE12,431+6.3%–

17Middletown, DEDE25,798+6.3%−54.4 pts

18Seaford, DEDE9,165+6.6%−11.0 pts

19Georgetown, DEDE8,291+7.4%−17.0 pts

20Millsboro, DEDE7,890+8.2%−35.5 pts

21Milford, DEDE14,723+14.4%+4.2 pts

SHOWING 1–21 OF 21

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES