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. The median across all 24 is 36.8.

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