RANKING · 2000 CENSUS · 24 SHOWN OF 24

Oldest by median age, Maryland counties · 2000

Maryland counties ranked by median age of residents (2000 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 1990

01Talbot County, MDMD38,23843.3+9%

02Worcester County, MDMD54,45943.0+13%

03Kent County, MDMD19,56541.3+13%

04Dorchester County, MDMD33,62840.7+10%

05Allegany County, MDMD66,84839.1+4%

06Queen Anne's County, MDMD54,44838.8+9%

07Garrett County, MDMD28,37038.3+13%

08Baltimore County, MDMD847,65037.7+7%

09Washington County, MDMD157,73137.4+8%

10Caroline County, MDMD34,11637.0+8%

11Carroll County, MDMD176,67736.9+11%

12Montgomery County, MDMD1,074,58236.8+8%

13Somerset County, MDMD24,97336.5+6%

14Harford County, MDMD266,44636.2+13%

15Anne Arundel County, MDMD603,38036.0+10%

16Calvert County, MDMD94,48435.9+10%

17Wicomico County, MDMD106,89935.8+8%

18Frederick County, MDMD302,88335.6+10%

19Cecil County, MDMD107,13135.5+8%

20Howard County, MDMD339,18335.5+10%

21Baltimore, MDMD569,99735.0+7%

22Charles County, MDMD176,59334.6+14%

23St. Mary's County, MDMD116,69234.2+16%

24Prince George's County, MDMD970,37433.3+7%

SHOWING 1–24 OF 24

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS