RANKING · 2020 CENSUS · 24 SHOWN OF 24

Largest senior population, Maryland counties · 2020

Maryland counties home to the most residents aged 65 and over as of 2020. 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, MDMD1,074,582169,846+73%

02Baltimore County, MDMD847,650150,994+37%

03Prince George's County, MDMD970,374132,049+113%

04Anne Arundel County, MDMD603,38090,185+85%

05Baltimore, MDMD569,99785,160−1%

06Howard County, MDMD339,18347,663+158%

07Harford County, MDMD266,44644,095+99%

08Frederick County, MDMD302,88340,423+115%

09Carroll County, MDMD176,67730,917+90%

10Washington County, MDMD157,73127,970+50%

11Charles County, MDMD176,59321,826+132%

12Wicomico County, MDMD106,89917,906+65%

13Cecil County, MDMD107,13117,221+91%

14St. Mary's County, MDMD116,69215,407+97%

15Allegany County, MDMD66,84814,930+11%

16Calvert County, MDMD94,48414,778+123%

17Worcester County, MDMD54,45914,441+54%

18Talbot County, MDMD38,23811,082+61%

19Queen Anne's County, MDMD54,4489,751+87%

20Dorchester County, MDMD33,6287,268+34%

21Garrett County, MDMD28,3706,812+53%

22Caroline County, MDMD34,1165,778+43%

23Kent County, MDMD19,5655,239+41%

24Somerset County, MDMD24,9734,574+31%

SHOWING 1–24 OF 24

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