RANKING · 2020 CENSUS · 24 SHOWN OF 24

Highest South American population share, Maryland counties · 2020

Maryland counties ranked by the share of all residents who are South American origin (2020 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. The median across all 24 is 0.6%.

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, MDMD1,074,5824.3%+0.7 pts

02Frederick County, MDMD302,8831.8%+0.5 pts

03Prince George's County, MDMD970,3741.0%+0.1 pts

04Anne Arundel County, MDMD603,3801.0%+0.5 pts

05Howard County, MDMD339,1830.9%+0.3 pts

06St. Mary's County, MDMD116,6920.7%+0.4 pts

07Queen Anne's County, MDMD54,4480.7%+0.6 pts

08Carroll County, MDMD176,6770.7%+0.4 pts

09Baltimore, MDMD569,9970.7%+0.2 pts

10Baltimore County, MDMD847,6500.7%+0.2 pts

11Harford County, MDMD266,4460.7%+0.2 pts

12Washington County, MDMD157,7310.6%+0.1 pts

13Calvert County, MDMD94,4840.6%+0.4 pts

14Worcester County, MDMD54,4590.6%+0.1 pts

15Talbot County, MDMD38,2380.3%−0.5 pts

16Charles County, MDMD176,5930.3%0.0 pts

17Caroline County, MDMD34,1160.3%−0.3 pts

18Cecil County, MDMD107,1310.2%−0.3 pts

19Somerset County, MDMD24,9730.2%0.0 pts

20Garrett County, MDMD28,3700.2%+0.1 pts

21Allegany County, MDMD66,8480.2%+0.1 pts

22Kent County, MDMD19,5650.2%–

23Wicomico County, MDMD106,8990.1%−0.1 pts

24Dorchester County, MDMD33,6280.1%0.0 pts

SHOWING 1–24 OF 24

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS