RANKING · 1990 CENSUS · 24 SHOWN OF 24

Oldest housing stock, Maryland counties · 1990

Maryland counties ranked by oldest median year of construction (1990 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 1970.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

01Baltimore, MDMD569,9971945–

02Allegany County, MDMD66,8481947–

03Washington County, MDMD157,7311959–

04Dorchester County, MDMD33,6281959–

05Kent County, MDMD19,5651960–

06Baltimore County, MDMD847,6501963–

07Caroline County, MDMD34,1161963–

08Talbot County, MDMD38,2381965–

09Somerset County, MDMD24,9731965–

10Prince George's County, MDMD970,3741966–

11Wicomico County, MDMD106,8991967–

12Garrett County, MDMD28,3701969–

13Anne Arundel County, MDMD603,3801970–

14Cecil County, MDMD107,1311970–

15Montgomery County, MDMD1,074,5821970–

16Harford County, MDMD266,4461972–

17Queen Anne's County, MDMD54,4481973–

18Carroll County, MDMD176,6771973–

19Frederick County, MDMD302,8831973–

20St. Mary's County, MDMD116,6921974–

21Calvert County, MDMD94,4841976–

22Charles County, MDMD176,5931976–

23Worcester County, MDMD54,4591977–

24Howard County, MDMD339,1831979–

SHOWING 1–24 OF 24

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