RANKING · 2024 ACS · 24 SHOWN OF 24

Highest South American population share, Maryland counties

Maryland counties ranked by the share of all residents who are South American origin (2024 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

South Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010

01Montgomery County, MDMD1,074,5824.5%+0.9 pts

02Frederick County, MDMD302,8832.5%+1.3 pts

03Anne Arundel County, MDMD603,3801.4%+0.9 pts

04Howard County, MDMD339,1831.3%+0.7 pts

05Prince George's County, MDMD970,3741.2%+0.3 pts

06Queen Anne's County, MDMD54,4481.2%+1.1 pts

07Baltimore County, MDMD847,6501.1%+0.6 pts

08Talbot County, MDMD38,2381.0%+0.1 pts

09Carroll County, MDMD176,6771.0%+0.7 pts

10Harford County, MDMD266,4460.8%+0.3 pts

11Baltimore, MDMD569,9970.8%+0.3 pts

12Calvert County, MDMD94,4840.8%+0.5 pts

13St. Mary's County, MDMD116,6920.7%+0.4 pts

14Washington County, MDMD157,7310.6%+0.1 pts

15Charles County, MDMD176,5930.6%+0.2 pts

16Kent County, MDMD19,5650.5%–

17Caroline County, MDMD34,1160.4%−0.2 pts

18Somerset County, MDMD24,9730.4%+0.2 pts

19Cecil County, MDMD107,1310.3%−0.1 pts

20Worcester County, MDMD54,4590.3%−0.1 pts

21Wicomico County, MDMD106,8990.3%+0.1 pts

22Allegany County, MDMD66,8480.1%+0.0 pts

23Dorchester County, MDMD33,6280.1%−0.1 pts

24Garrett County, MDMD28,3700.0%−0.1 pts

SHOWING 1–24 OF 24

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES