RANKING · 2010 CENSUS · 24 SHOWN OF 24

Fastest shrinking, Maryland counties · 2010

Maryland counties with the steepest population decline from the 2000 census to 2010. 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 population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Baltimore, MDMD569,997-4.6%+6.9 pts

02Allegany County, MDMD66,848+0.2%+0.2 pts

03Garrett County, MDMD28,370+0.8%−5.2 pts

04Kent County, MDMD19,565+5.2%−2.4 pts

05Dorchester County, MDMD33,628+6.3%+4.9 pts

06Baltimore County, MDMD847,650+6.7%−2.3 pts

07Somerset County, MDMD24,973+7.0%+1.4 pts

08Prince George's County, MDMD970,374+7.7%−2.2 pts

09Anne Arundel County, MDMD603,380+9.8%−4.8 pts

10Worcester County, MDMD54,459+10.6%−22.3 pts

11Carroll County, MDMD176,677+10.8%−11.6 pts

12Caroline County, MDMD34,116+11.1%+0.9 pts

13Montgomery County, MDMD1,074,582+11.3%−4.1 pts

14Talbot County, MDMD38,238+11.7%+1.1 pts

15Washington County, MDMD157,731+11.8%+3.1 pts

16Harford County, MDMD266,446+12.0%−8.0 pts

17Howard County, MDMD339,183+15.8%−16.5 pts

18Wicomico County, MDMD106,899+16.6%+2.8 pts

19Cecil County, MDMD107,131+17.6%−2.8 pts

20Queen Anne's County, MDMD54,448+17.8%−1.6 pts

21Calvert County, MDMD94,484+19.0%−26.1 pts

22Frederick County, MDMD302,883+19.5%−10.5 pts

23Charles County, MDMD176,593+21.6%+2.4 pts

24St. Mary's County, MDMD116,692+22.0%+8.5 pts

SHOWING 1–24 OF 24

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS