RANKING · 2020 CENSUS · 21 SHOWN OF 21

Oldest by median age, Delaware cities · 2020

Delaware cities ranked by median age of residents (2020 ACS). This list covers the 21 cities in Delaware that qualify, ranked against each other statewide. The median across all 21 is 37.1.

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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

01North Star, DEDE7,83450.4+30%

02Hockessin, DEDE13,43949.5+18%

03New Castle, DEDE5,72645.8+16%

04Pike Creek, DEDE7,12945.0+24%

05Millsboro, DEDE7,89043.9+2%

06Glasgow, DEDE15,54640.3+28%

07Milford, DEDE14,72339.9+14%

08Pike Creek Valley, DEDE12,43139.8–

09Edgemoor, DEDE6,34939.5+14%

10Wilmington Manor, DEDE8,21438.5+7%

11Middletown, DEDE25,79837.1+20%

12Seaford, DEDE9,16537.1−1%

13Claymont, DEDE8,78636.7+6%

14Bear, DEDE22,37036.3+19%

15Brookside, DEDE15,11536.2+8%

16Smyrna, DEDE13,34036.2+3%

17Elsmere, DEDE6,19636.1+1%

18Wilmington, DEDE73,51236.0+7%

19Dover, DEDE40,59232.80%

20Georgetown, DEDE8,29131.8+6%

21Newark, DEDE30,35924.2+7%

SHOWING 1–21 OF 21

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