RANKING · 2000 CENSUS · 16 SHOWN OF 16

Most population gained, Delaware cities · 2000

Delaware cities that added 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

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

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01Pike Creek, DEDE7,129+9,588–

02Dover, DEDE40,592+4,606–

03Newark, DEDE30,359+3,449–

04Middletown, DEDE25,798+2,327–

05Wilmington, DEDE73,512+1,135–

06Seaford, DEDE9,165+1,004–

07Georgetown, DEDE8,291+911–

08Millsboro, DEDE7,890+717–

09Milford, DEDE14,723+624–

10Smyrna, DEDE13,340+448–

11Edgemoor, DEDE6,349+139–

12New Castle, DEDE5,726+25–

13Elsmere, DEDE6,196-135–

14Wilmington Manor, DEDE8,214-306–

15Brookside, DEDE15,115-501–

16Claymont, DEDE8,786-580–

SHOWING 1–16 OF 16

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