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.

Flip the list · Fastest growing, US cities →

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 2000

01Claymont, DEDE8,786-11.2%+89%

02Pike Creek, DEDE7,129-8.7%−109%

03Edgemoor, DEDE6,349-4.3%−282%

04Bear, DEDE22,370-3.0%–

05North Star, DEDE7,834-2.8%–

06Newark, DEDE30,359-0.9%−106%

07Elsmere, DEDE6,196-0.4%−82%

08Hockessin, DEDE13,439-0.3%–

09New Castle, DEDE5,726+0.5%−2%

10Wilmington Manor, DEDE8,214+0.6%−118%

11Brookside, DEDE15,115+0.9%−129%

12Dover, DEDE40,592+1.1%−93%

13Wilmington, DEDE73,512+1.2%−26%

14Glasgow, DEDE15,546+1.7%–

15Smyrna, DEDE13,340+2.2%−74%

16Pike Creek Valley, DEDE12,431+6.3%–

17Middletown, DEDE25,798+6.3%−90%

18Seaford, DEDE9,165+6.6%−62%

19Georgetown, DEDE8,291+7.4%−70%

20Millsboro, DEDE7,890+8.2%−81%

21Milford, DEDE14,723+14.4%+41%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES