RANKING · 2010 CENSUS · 24 SHOWN OF 24

Largest Puerto Rican population, Maryland counties · 2010

Maryland counties ranked by the number of residents who are Puerto Rican origin, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 1,034.

Puerto Rican Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN POPULATIONVS –

01Montgomery County, MDMD1,074,5826,983–

02Prince George's County, MDMD970,3746,143–

03Anne Arundel County, MDMD603,3805,118–

04Baltimore County, MDMD847,6504,775–

05Baltimore, MDMD569,9972,789–

06Frederick County, MDMD302,8832,232–

07Howard County, MDMD339,1831,999–

08Harford County, MDMD266,4461,990–

09Charles County, MDMD176,5931,934–

10Cecil County, MDMD107,1311,444–

11Washington County, MDMD157,7311,215–

12Wicomico County, MDMD106,8991,034–

13St. Mary's County, MDMD116,692901–

14Carroll County, MDMD176,677801–

15Calvert County, MDMD94,484591–

16Dorchester County, MDMD33,628378–

17Talbot County, MDMD38,238339–

18Allegany County, MDMD66,848318–

19Kent County, MDMD19,565240–

20Queen Anne's County, MDMD54,448216–

21Somerset County, MDMD24,973212–

22Caroline County, MDMD34,116132–

23Garrett County, MDMD28,37037–

24Worcester County, MDMD54,45914–

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

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