RANKING · 2024 ACS · 24 SHOWN OF 24

Youngest by median age, Maryland counties

Maryland counties with the youngest median age (2023 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

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Wicomico County, MDMD106,89936.2+1%

02Baltimore, MDMD569,99736.2+3%

03St. Mary's County, MDMD116,69237.2+9%

04Somerset County, MDMD24,97338.1+4%

05Prince George's County, MDMD970,37438.5+16%

06Charles County, MDMD176,59338.9+12%

07Anne Arundel County, MDMD603,38039.0+8%

08Frederick County, MDMD302,88339.0+10%

09Baltimore County, MDMD847,65039.7+5%

10Howard County, MDMD339,18339.8+12%

11Caroline County, MDMD34,11639.9+8%

12Montgomery County, MDMD1,074,58240.2+9%

13Harford County, MDMD266,44640.5+12%

14Cecil County, MDMD107,13140.6+14%

15Washington County, MDMD157,73140.7+9%

16Calvert County, MDMD94,48440.8+14%

17Allegany County, MDMD66,84841.2+5%

18Carroll County, MDMD176,67741.3+12%

19Dorchester County, MDMD33,62843.5+7%

20Queen Anne's County, MDMD54,44844.7+15%

21Garrett County, MDMD28,37048.3+26%

22Kent County, MDMD19,56548.6+18%

23Worcester County, MDMD54,45950.7+18%

24Talbot County, MDMD38,23851.2+18%

SHOWING 1–24 OF 24

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES