RANKING · 2024 ACS · 21 SHOWN OF 21

Oldest housing stock, Delaware cities

Delaware cities ranked by oldest median year of construction (2024 ACS). This list covers the 21 cities in Delaware that qualify, ranked against each other statewide. The median across all 21 is 1981.

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SAME RANKING BYCounties States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Wilmington, DEDE73,51219460%

02Elsmere, DEDE6,19619560%

03▲1Wilmington Manor, DEDE8,21419570%

04▼1Edgemoor, DEDE6,3491959+1%

05▲1New Castle, DEDE5,7261959+1%

06▼1Claymont, DEDE8,78619640%

07Brookside, DEDE15,11519680%

08▲2Seaford, DEDE9,1651977+1%

09Newark, DEDE30,3591978+1%

10▲1Pike Creek Valley, DEDE12,4311979–

11▲3Hockessin, DEDE13,4391981–

12▲1Dover, DEDE40,5921983+1%

13▼5Georgetown, DEDE8,2911986+1%

14▲2Pike Creek, DEDE7,1291988+1%

15North Star, DEDE7,8341988–

16▼4Milford, DEDE14,7231991+2%

17Glasgow, DEDE15,5461993–

18Bear, DEDE22,3701996–

19Smyrna, DEDE13,3402001+2%

20Middletown, DEDE25,7982005+2%

21Millsboro, DEDE7,8902012+2%

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES