RANKING · 2010 CENSUS · 24 SHOWN OF 24

Largest foreign-born population, Maryland counties · 2010

Maryland counties with the most residents born outside the United States, as of the 2010 American Community Survey. Ranked by number of people, not share. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDMost residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people Most unmarried men

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS –

01Montgomery County, MDMD1,074,582300,666–

02Prince George's County, MDMD970,374167,532–

03Baltimore County, MDMD847,65082,702–

04Howard County, MDMD339,18349,529–

05Baltimore, MDMD569,99743,601–

06Anne Arundel County, MDMD603,38040,539–

07Frederick County, MDMD302,88321,239–

08Harford County, MDMD266,44611,353–

09Charles County, MDMD176,5937,159–

10Wicomico County, MDMD106,8996,388–

11Carroll County, MDMD176,6775,795–

12Washington County, MDMD157,7315,657–

13St. Mary's County, MDMD116,6923,993–

14Calvert County, MDMD94,4843,069–

15Cecil County, MDMD107,1312,899–

16Worcester County, MDMD54,4592,215–

17Talbot County, MDMD38,2381,699–

18Queen Anne's County, MDMD54,4481,648–

19Caroline County, MDMD34,1161,563–

20Allegany County, MDMD66,8481,127–

21Dorchester County, MDMD33,6281,086–

22Somerset County, MDMD24,9731,042–

23Kent County, MDMD19,565858–

24Garrett County, MDMD28,370248–

SHOWING 1–24 OF 24

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS