RANKING · 1990 CENSUS · 24 SHOWN OF 24

Most sparsely populated, Maryland counties · 1990

Maryland counties with the fewest residents per square mile (1990). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 221.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Garrett County, MDMD28,37043–

02Dorchester County, MDMD33,62856–

03Kent County, MDMD19,56564–

04Somerset County, MDMD24,97373–

05Worcester County, MDMD54,45975–

06Caroline County, MDMD34,11685–

07Queen Anne's County, MDMD54,44891–

08Talbot County, MDMD38,238114–

09Allegany County, MDMD66,848178–

10Wicomico County, MDMD106,899199–

11Cecil County, MDMD107,131206–

12St. Mary's County, MDMD116,692212–

13Charles County, MDMD176,593221–

14Frederick County, MDMD302,883227–

15Calvert County, MDMD94,484241–

16Washington County, MDMD157,731265–

17Carroll County, MDMD176,677276–

18Harford County, MDMD266,446417–

19Howard County, MDMD339,183746–

20Anne Arundel County, MDMD603,3801,030–

21Baltimore County, MDMD847,6501,157–

22Prince George's County, MDMD970,3741,511–

23Montgomery County, MDMD1,074,5821,535–

24Baltimore, MDMD569,9979,093–

SHOWING 1–24 OF 24

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