RANKING · 2024 ACS · 24 SHOWN OF 24

Oldest housing stock, Maryland counties

Maryland counties ranked by oldest median year of construction (2024 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 1983. Biggest climber in the top 100 since 2020: Garrett County, MD, up 5 places to #10.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Baltimore, MDMD569,99719470%

02Allegany County, MDMD66,8481959+1%

03Baltimore County, MDMD847,6501973+1%

04Washington County, MDMD157,7311974+1%

05Dorchester County, MDMD33,6281975+1%

06▲1Prince George's County, MDMD970,3741977+1%

07▼1Kent County, MDMD19,5651978+1%

08▲1Montgomery County, MDMD1,074,5821980+1%

09▲1Caroline County, MDMD34,1161981+1%

10▲5Garrett County, MDMD28,3701982+1%

11Talbot County, MDMD38,2381983+1%

12▲1Anne Arundel County, MDMD603,3801983+1%

13▲1Carroll County, MDMD176,6771983+1%

14▼2Wicomico County, MDMD106,8991984+1%

15▲1Worcester County, MDMD54,45919850%

16▲1Harford County, MDMD266,4461986+1%

17▼9Somerset County, MDMD24,9731986+1%

18Cecil County, MDMD107,1311987+1%

19▲2Howard County, MDMD339,1831989+1%

20▲2Calvert County, MDMD94,4841990+1%

21▼2Queen Anne's County, MDMD54,4481990+1%

22▲1Charles County, MDMD176,5931991+1%

23▼3Frederick County, MDMD302,8831991+1%

24St. Mary's County, MDMD116,6921992+1%

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