RANKING · 2020 CENSUS · 20 SHOWN OF 20

Largest Costa Rican population, Maryland counties · 2020

Maryland counties ranked by the number of residents who are Costa Rican origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 20 counties in Maryland that qualify, ranked against each other statewide.

Costa Rican 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

Largest Costa Rican population by state

RANKPLACESTATEPOPCOSTA RICAN POPULATIONVS 2010

01Montgomery County, MDMD1,074,5821,053+21%

02Frederick County, MDMD302,883493+11%

03Prince George's County, MDMD970,374279+65%

04Anne Arundel County, MDMD603,380271+185%

05Howard County, MDMD339,183188+30%

06Talbot County, MDMD38,238165+1000%

07Baltimore, MDMD569,997132−1%

08Wicomico County, MDMD106,89988–

09Caroline County, MDMD34,11679–

10Baltimore County, MDMD847,65076−76%

11Somerset County, MDMD24,97320–

12Charles County, MDMD176,59315−80%

13Washington County, MDMD157,73115−52%

14Kent County, MDMD19,56511–

15St. Mary's County, MDMD116,69210−95%

16Carroll County, MDMD176,6779–

17Dorchester County, MDMD33,6288–

18Harford County, MDMD266,4466−98%

19Cecil County, MDMD107,1314–

20Worcester County, MDMD54,4591–

SHOWING 1–20 OF 20

Download CSV (full list, 20 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS