RANKING · 2024 ACS · 24 SHOWN OF 24

Most foreign-born residents, Maryland counties

Maryland counties ranked by the share of residents born outside the US (2024 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 6.1%. Biggest climber in the top 100 since 2020: Somerset County, MD, up 6 places to #15.

MarylandAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Montgomery County, MDMD1,074,58233.6%+2.7 pts

02Prince George's County, MDMD970,37425.3%+5.9 pts

03Howard County, MDMD339,18322.8%+5.6 pts

04▲1Frederick County, MDMD302,88313.8%+4.7 pts

05▼1Baltimore County, MDMD847,65013.2%+2.9 pts

06Anne Arundel County, MDMD603,38010.0%+2.5 pts

07Wicomico County, MDMD106,8999.4%+3.0 pts

08Baltimore, MDMD569,9979.3%+2.3 pts

09▲1Charles County, MDMD176,5938.5%+3.6 pts

10▼1Talbot County, MDMD38,2388.0%+3.5 pts

11▲3Washington County, MDMD157,7316.6%+2.8 pts

12▼1Caroline County, MDMD34,1166.1%+1.4 pts

13▲3Harford County, MDMD266,4465.9%+1.3 pts

14▲4Carroll County, MDMD176,6775.5%+2.0 pts

15▲6Somerset County, MDMD24,9735.1%+1.2 pts

16▲1Queen Anne's County, MDMD54,4485.1%+1.6 pts

17▼5Worcester County, MDMD54,4594.7%+0.4 pts

18▲1Dorchester County, MDMD33,6284.5%+1.2 pts

19▼6St. Mary's County, MDMD116,6924.3%+0.5 pts

20▲2Calvert County, MDMD94,4844.0%+0.6 pts

21▼1Cecil County, MDMD107,1313.9%+1.1 pts

22▼7Kent County, MDMD19,5653.7%−0.6 pts

23Allegany County, MDMD66,8482.1%+0.6 pts

24Garrett County, MDMD28,3701.4%+0.6 pts

SHOWING 1–24 OF 24

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