RANKING · 2000 CENSUS · 24 SHOWN OF 24

Fastest shrinking, Maryland counties · 2000

Maryland counties with the steepest population decline since the prior decennial census. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Baltimore, MDMD569,997-11.5%+0%

02Allegany County, MDMD66,848-0.0%+0%

03Dorchester County, MDMD33,628+1.4%+0%

04Somerset County, MDMD24,973+5.6%+0%

05Garrett County, MDMD28,370+6.1%+0%

06Kent County, MDMD19,565+7.6%+0%

07Washington County, MDMD157,731+8.7%+0%

08Baltimore County, MDMD847,650+9.0%+0%

09Prince George's County, MDMD970,374+9.9%+0%

10Caroline County, MDMD34,116+10.1%+0%

11Talbot County, MDMD38,238+10.7%+0%

12St. Mary's County, MDMD116,692+13.5%+0%

13Wicomico County, MDMD106,899+13.9%+0%

14Anne Arundel County, MDMD603,380+14.6%+0%

15Montgomery County, MDMD1,074,582+15.4%+0%

16Charles County, MDMD176,593+19.2%+0%

17Queen Anne's County, MDMD54,448+19.5%+0%

18Harford County, MDMD266,446+20.0%+0%

19Cecil County, MDMD107,131+20.5%+0%

20Carroll County, MDMD176,677+22.3%+0%

21Frederick County, MDMD302,883+30.0%+0%

22Howard County, MDMD339,183+32.3%+0%

23Worcester County, MDMD54,459+32.9%+0%

24Calvert County, MDMD94,484+45.1%+0%

SHOWING 1–24 OF 24

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