RANKING · 2000 CENSUS · 24 SHOWN OF 24

Most population lost, Maryland counties · 2000

Maryland counties that lost the most residents from the 1990 census to 2000, by raw count of people rather than percentage. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is +11,515.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most population gained Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01Baltimore, MDMD569,997-84,860–

02Allegany County, MDMD66,848-16–

03Dorchester County, MDMD33,628+438–

04Somerset County, MDMD24,973+1,307–

05Kent County, MDMD19,565+1,355–

06Garrett County, MDMD28,370+1,708–

07Caroline County, MDMD34,116+2,737–

08Talbot County, MDMD38,238+3,263–

09Queen Anne's County, MDMD54,448+6,610–

10St. Mary's County, MDMD116,692+10,237–

11Wicomico County, MDMD106,899+10,305–

12Washington County, MDMD157,731+10,530–

13Worcester County, MDMD54,459+11,515–

14Cecil County, MDMD107,131+14,604–

15Charles County, MDMD176,593+19,392–

16Calvert County, MDMD94,484+23,191–

17Carroll County, MDMD176,677+27,525–

18Harford County, MDMD266,446+36,458–

19Frederick County, MDMD302,883+45,069–

20Howard County, MDMD339,183+60,514–

21Baltimore County, MDMD847,650+62,158–

22Anne Arundel County, MDMD603,380+62,417–

23Prince George's County, MDMD970,374+72,247–

24Montgomery County, MDMD1,074,582+116,314–

SHOWING 1–24 OF 24

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