RANKING · 2010 CENSUS · 24 SHOWN OF 24

Largest senior population, Maryland counties · 2010

Maryland counties home to the most residents aged 65 and over as of 2010. Ranked by number of people, not the senior share. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

MarylandAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Montgomery County, MDMD1,074,582119,769+22%

02Baltimore County, MDMD847,650117,476+6%

03Prince George's County, MDMD970,37481,513+32%

04Baltimore, MDMD569,99772,812−15%

05Anne Arundel County, MDMD603,38063,664+30%

06Harford County, MDMD266,44630,564+38%

07Howard County, MDMD339,18329,045+57%

08Frederick County, MDMD302,88325,914+38%

09Carroll County, MDMD176,67721,809+34%

10Washington County, MDMD157,73121,104+13%

11Charles County, MDMD176,59313,852+47%

12Allegany County, MDMD66,84813,402−0%

13Wicomico County, MDMD106,89912,847+19%

14Worcester County, MDMD54,45911,961+28%

15Cecil County, MDMD107,13111,875+32%

16St. Mary's County, MDMD116,69210,781+38%

17Calvert County, MDMD94,4849,683+46%

18Talbot County, MDMD38,2388,958+30%

19Queen Anne's County, MDMD54,4487,141+37%

20Dorchester County, MDMD33,6285,771+6%

21Garrett County, MDMD28,3705,231+17%

22Caroline County, MDMD34,1164,413+9%

23Kent County, MDMD19,5654,397+19%

24Somerset County, MDMD24,9733,660+4%

SHOWING 1–24 OF 24

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