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.

MarylandAll states All rankings

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%

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

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

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

11Wicomico 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%

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

16Calvert County, MDMD94,4842,830−4%

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

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

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

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

21Garrett County, MDMD28,3701,753−4%

22Talbot County, MDMD38,2381,479−1%

23Kent County, MDMD19,5651,151+46%

24Somerset County, MDMD24,973772−31%

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES