CensusEasy
RANKING · 2025 ESTIMATES · 11 SHOWN OF 11

Largest by population, Delaware cities

The most populous Delaware cities as of the 2025 population estimates. This list covers the 11 cities in Delaware that qualify, ranked against each other statewide. The median across all 11 is 13,340. Biggest climber in the top 100 since 2020: Elsmere, DE, up 10 places to #10.

DelawareAll statesPop > 5KAll rankings
Largest by population by state
RANKPLACESTATETOTAL POPULATIONVS 2000
01Wilmington, DEDE73,512+1%
02Dover, DEDE40,592+26%
03Newark, DEDE30,359+6%
04Middletown, DEDE25,798+319%
05▲6Milford, DEDE14,723+119%
06▲3Smyrna, DEDE13,340+135%
07▲8Seaford, DEDE9,165+37%
08▲9Georgetown, DEDE8,291+79%
09▲9Millsboro, DEDE7,890+234%
10▲10Elsmere, DEDE6,196+7%
11▲10New Castle, DEDE5,726+18%
SHOWING 1–11 OF 11

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES