RANKING · 2000 CENSUS · 24 SHOWN OF 24

Youngest by median age, Maryland counties · 2000

Maryland counties with the youngest median age (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

01Prince George's County, MDMD970,37433.3+7%

02St. Mary's County, MDMD116,69234.2+16%

03Charles County, MDMD176,59334.6+14%

04Baltimore, MDMD569,99735.0+7%

05Cecil County, MDMD107,13135.5+8%

06Howard County, MDMD339,18335.5+10%

07Frederick County, MDMD302,88335.6+10%

08Wicomico County, MDMD106,89935.8+8%

09Calvert County, MDMD94,48435.9+10%

10Anne Arundel County, MDMD603,38036.0+10%

11Harford County, MDMD266,44636.2+13%

12Somerset County, MDMD24,97336.5+6%

13Montgomery County, MDMD1,074,58236.8+8%

14Carroll County, MDMD176,67736.9+11%

15Caroline County, MDMD34,11637.0+8%

16Washington County, MDMD157,73137.4+8%

17Baltimore County, MDMD847,65037.7+7%

18Garrett County, MDMD28,37038.3+13%

19Queen Anne's County, MDMD54,44838.8+9%

20Allegany County, MDMD66,84839.1+4%

21Dorchester County, MDMD33,62840.7+10%

22Kent County, MDMD19,56541.3+13%

23Worcester County, MDMD54,45943.0+13%

24Talbot County, MDMD38,23843.3+9%

SHOWING 1–24 OF 24

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