RANKING · 2020 CENSUS · 24 SHOWN OF 24

Newest housing stock, Maryland counties · 2020

Maryland counties ranked by median year housing was built (2020 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 1982.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Calvert County, MDMD94,4841990+1%

02Charles County, MDMD176,5931990+1%

03St. Mary's County, MDMD116,6921990+1%

04Howard County, MDMD339,18319880%

05Queen Anne's County, MDMD54,4481987+1%

06Frederick County, MDMD302,8831987+1%

07Cecil County, MDMD107,1311986+1%

08Harford County, MDMD266,4461985+1%

09Worcester County, MDMD54,45919840%

10Wicomico County, MDMD106,8991982+1%

11Anne Arundel County, MDMD603,3801982+1%

12Carroll County, MDMD176,67719820%

13Garrett County, MDMD28,3701982+1%

14Talbot County, MDMD38,2381981+1%

15Caroline County, MDMD34,1161980+1%

16Montgomery County, MDMD1,074,58219790%

17Somerset County, MDMD24,9731978+1%

18Kent County, MDMD19,5651976+1%

19Prince George's County, MDMD970,3741976+1%

20Washington County, MDMD157,7311974+1%

21Dorchester County, MDMD33,6281974+1%

22Baltimore County, MDMD847,65019720%

23Allegany County, MDMD66,8481957+1%

24Baltimore, MDMD569,99719450%

SHOWING 1–24 OF 24

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