RANKING · 2024 ACS · 24 SHOWN OF 24

Most uninsured people, Maryland counties

Maryland counties with the most residents lacking health insurance, as of the 2024 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 5,011.

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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 2020

01Prince George's County, MDMD970,374108,313+17%

02Montgomery County, MDMD1,074,58273,432+4%

03Baltimore County, MDMD847,65045,873+6%

04Baltimore, MDMD569,99733,620−5%

05Anne Arundel County, MDMD603,38027,369+16%

06Howard County, MDMD339,18314,018+18%

07Frederick County, MDMD302,88313,357+17%

08▲1Washington County, MDMD157,7319,313+26%

09▼1Harford County, MDMD266,4469,272+12%

10▲1Charles County, MDMD176,5937,767+16%

11▼1Wicomico County, MDMD106,8996,923+2%

12Carroll County, MDMD176,6775,011−5%

13St. Mary's County, MDMD116,6924,313−16%

14Cecil County, MDMD107,1313,739−13%

15▲3Queen Anne's County, MDMD54,4482,922+36%

16▼1Calvert County, MDMD94,4842,830−4%

17Worcester County, MDMD54,4592,669−4%

18▲1Caroline County, MDMD34,1162,438+19%

19▼3Allegany County, MDMD66,8482,371−20%

20▲1Dorchester County, MDMD33,6281,798+17%

21▼1Garrett County, MDMD28,3701,753−4%

22Talbot County, MDMD38,2381,479−1%

23▲1Kent County, MDMD19,5651,151+46%

24▼1Somerset County, MDMD24,973772−31%

SHOWING 1–24 OF 24

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES