RANKING · 2020 CENSUS · 21 SHOWN OF 21

Oldest by median age, Delaware cities · 2020

Delaware cities ranked by median age of residents (2023 ACS). This list covers the 21 cities in Delaware that qualify, ranked against each other statewide.

Flip the list · Youngest by median age, US cities →

DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDYoungest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

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, DEDE40,59232.8−0%

20Georgetown, DEDE8,29131.8+6%

21Newark, DEDE30,35924.2+7%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES