RANKING · 2024 ACS · 24 SHOWN OF 24

Largest foreign-born population, Maryland counties

Maryland counties with the most residents born outside the United States, as of the 2024 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. The median across all 24 is 9,577.

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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 2010

01Montgomery County, MDMD1,074,582358,223+19%

02Prince George's County, MDMD970,374242,379+45%

03Baltimore County, MDMD847,650112,231+36%

04Howard County, MDMD339,18376,729+55%

05Anne Arundel County, MDMD603,38059,948+48%

06Baltimore, MDMD569,99753,397+22%

07Frederick County, MDMD302,88339,477+86%

08Harford County, MDMD266,44615,692+38%

09Charles County, MDMD176,59314,513+103%

10▲1Washington County, MDMD157,73110,265+81%

11▼1Wicomico County, MDMD106,8999,913+55%

12Carroll County, MDMD176,6779,577+65%

13St. Mary's County, MDMD116,6924,942+24%

14Cecil County, MDMD107,1314,120+42%

15Calvert County, MDMD94,4843,805+24%

16▲1Talbot County, MDMD38,2383,023+78%

17▲1Queen Anne's County, MDMD54,4482,625+59%

18▼2Worcester County, MDMD54,4592,525+14%

19Caroline County, MDMD34,1162,058+32%

20▲1Dorchester County, MDMD33,6281,468+35%

21▼1Allegany County, MDMD66,8481,387+23%

22▲1Somerset County, MDMD24,9731,266+21%

23▼1Kent County, MDMD19,565710−17%

24Garrett County, MDMD28,370397+60%

SHOWING 1–24 OF 24

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