RANKING · 2024 ACS · 21 SHOWN OF 21

Fastest growing, Delaware cities

Delaware cities ranked by population growth from the 2020 census to 2024. This list covers the 21 cities in Delaware that qualify, ranked against each other statewide. The median across all 21 is +0.9%. Biggest climber in the top 100 since 2020: Wilmington, DE, up 9 places to #9.

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DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

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

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01▲5Milford, DEDE14,723+14.4%+4.2 pts

02▼1Millsboro, DEDE7,890+8.2%−35.5 pts

03▲6Georgetown, DEDE8,291+7.4%−17.0 pts

04▲4Seaford, DEDE9,165+6.6%−11.0 pts

05▼2Middletown, DEDE25,798+6.3%−54.4 pts

06▲8Pike Creek Valley, DEDE12,431+6.3%–

07▼5Smyrna, DEDE13,340+2.2%−6.4 pts

08▲3Glasgow, DEDE15,546+1.7%–

09▲9Wilmington, DEDE73,512+1.2%−0.4 pts

10Dover, DEDE40,592+1.1%−15.6 pts

11▲2Brookside, DEDE15,115+0.9%+4.2 pts

12▲3Wilmington Manor, DEDE8,214+0.6%+4.2 pts

13▼1New Castle, DEDE5,726+0.5%0.0 pts

14▲5Hockessin, DEDE13,439-0.3%–

15▲1Elsmere, DEDE6,196-0.4%+1.9 pts

16▲5Newark, DEDE30,359-0.9%−14.6 pts

17North Star, DEDE7,834-2.8%–

18▼13Bear, DEDE22,370-3.0%–

19▼12Edgemoor, DEDE6,349-4.3%−6.7 pts

20Pike Creek, DEDE7,129-8.7%−103.0 pts

21▼17Claymont, DEDE8,786-11.2%−5.3 pts

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES