RANKING · 2010 CENSUS · 21 SHOWN OF 21

Oldest by median age, Delaware cities · 2010

Delaware cities ranked by median age of residents (2010 ACS). This list covers the 21 cities in Delaware that qualify, ranked against each other statewide. The median across all 21 is 36.7.

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SAME RANKING BYCounties States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Hockessin, DEDE13,43946.8+11%

02North Star, DEDE7,83445.2+16%

03New Castle, DEDE5,72644.3+12%

04Pike Creek, DEDE7,12943.5+20%

05Millsboro, DEDE7,89039.6−8%

06Edgemoor, DEDE6,34938.4+11%

07Milford, DEDE14,72337.9+8%

08Claymont, DEDE8,78637.6+9%

09Pike Creek Valley, DEDE12,43137.3–

10Glasgow, DEDE15,54636.7+17%

11Wilmington Manor, DEDE8,21436.7+2%

12Seaford, DEDE9,16535.1−6%

13Brookside, DEDE15,11534.9+4%

14Elsmere, DEDE6,19634.4−4%

15Wilmington, DEDE73,51234.3+2%

16Smyrna, DEDE13,34033.9−3%

17Bear, DEDE22,37033.1+9%

18Middletown, DEDE25,79833.0+7%

19Dover, DEDE40,59231.3−5%

20Georgetown, DEDE8,29129.2−3%

21Newark, DEDE30,35922.2−2%

SHOWING 1–21 OF 21

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