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. The median across all 24 is 36.8.

Flip the list · Oldest by median age, US counties →

MarylandAll states All rankings

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

Download CSV (full list, 24 rows)

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