RANKING · 2020 CENSUS · 24 SHOWN OF 24

Most uninsured people, Maryland counties · 2020

Maryland counties with the most residents lacking health insurance, as of the 2020 American Community Survey. Ranked by number of people, not the uninsured rate. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 5,286.

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SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Largest senior population Most unmarried people Most unmarried men

RANKPLACESTATEPOPUNINSURED RESIDENTSVS –

01Prince George's County, MDMD970,37492,790–

02Montgomery County, MDMD1,074,58270,331–

03Baltimore County, MDMD847,65043,146–

04Baltimore, MDMD569,99735,525–

05Anne Arundel County, MDMD603,38023,561–

06Howard County, MDMD339,18311,930–

07Frederick County, MDMD302,88311,452–

08Harford County, MDMD266,4468,242–

09Washington County, MDMD157,7317,375–

10Wicomico County, MDMD106,8996,787–

11Charles County, MDMD176,5936,684–

12Carroll County, MDMD176,6775,286–

13St. Mary's County, MDMD116,6925,155–

14Cecil County, MDMD107,1314,280–

15Calvert County, MDMD94,4842,956–

16Allegany County, MDMD66,8482,947–

17Worcester County, MDMD54,4592,781–

18Queen Anne's County, MDMD54,4482,141–

19Caroline County, MDMD34,1162,051–

20Garrett County, MDMD28,3701,826–

21Dorchester County, MDMD33,6281,536–

22Talbot County, MDMD38,2381,495–

23Somerset County, MDMD24,9731,118–

24Kent County, MDMD19,565791–

SHOWING 1–24 OF 24

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