RANKING · 2024 ACS · 24 SHOWN OF 24

Largest senior population, Maryland counties

Maryland counties home to the most residents aged 65 and over as of 2024. 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, MDMD1,074,582181,139+85%

02Baltimore County, MDMD847,650154,369+40%

03Prince George's County, MDMD970,374143,116+131%

04Anne Arundel County, MDMD603,38094,886+94%

05Baltimore, MDMD569,99787,602+2%

06Howard County, MDMD339,18351,275+178%

07Harford County, MDMD266,44646,016+108%

08Frederick County, MDMD302,88343,882+133%

09Carroll County, MDMD176,67731,453+93%

10Washington County, MDMD157,73128,153+51%

11Charles County, MDMD176,59323,350+148%

12Cecil County, MDMD107,13117,925+99%

13Wicomico County, MDMD106,89917,448+61%

14St. Mary's County, MDMD116,69216,144+106%

15Calvert County, MDMD94,48415,402+132%

16Worcester County, MDMD54,45915,371+64%

17Allegany County, MDMD66,84814,262+6%

18Talbot County, MDMD38,23811,210+63%

19Queen Anne's County, MDMD54,44810,720+105%

20Dorchester County, MDMD33,6287,538+39%

21Garrett County, MDMD28,3706,925+55%

22Caroline County, MDMD34,1165,831+45%

23Kent County, MDMD19,5655,305+43%

24Somerset County, MDMD24,9734,419+26%

SHOWING 1–24 OF 24

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES