RANKING · 2010 CENSUS · 23 SHOWN OF 23

Highest South American population share, Maryland counties · 2010

Maryland counties ranked by the share of all residents who are South American origin (2010 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 23 counties in Maryland that qualify, ranked against each other statewide. The median across all 23 is 0.5%.

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 –

01Montgomery County, MDMD1,074,5823.6%–

02Frederick County, MDMD302,8831.2%–

03Talbot County, MDMD38,2380.9%–

04Prince George's County, MDMD970,3740.9%–

05Howard County, MDMD339,1830.6%–

06Caroline County, MDMD34,1160.6%–

07Baltimore, MDMD569,9970.5%–

08Baltimore County, MDMD847,6500.5%–

09Anne Arundel County, MDMD603,3800.5%–

10Washington County, MDMD157,7310.5%–

11Harford County, MDMD266,4460.5%–

12Cecil County, MDMD107,1310.5%–

13Worcester County, MDMD54,4590.4%–

14Charles County, MDMD176,5930.3%–

15St. Mary's County, MDMD116,6920.3%–

16Carroll County, MDMD176,6770.3%–

17Wicomico County, MDMD106,8990.2%–

18Calvert County, MDMD94,4840.2%–

19Somerset County, MDMD24,9730.2%–

20Dorchester County, MDMD33,6280.1%–

21Garrett County, MDMD28,3700.1%–

22Allegany County, MDMD66,8480.1%–

23Queen Anne's County, MDMD54,4480.1%–

SHOWING 1–23 OF 23

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