RANKING · 2020 CENSUS · 20 SHOWN OF 20

Highest Costa Rican population share, Maryland counties · 2020

Maryland counties ranked by the share of all residents who are Costa Rican origin (2020 American Community Survey). A concentration measure: Costa Rican residents as a percentage of total population. 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

Highest Costa Rican population share by state

RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2010

01Talbot County, MDMD38,2380.4%+0.4 pts

02Caroline County, MDMD34,1160.2%–

03Frederick County, MDMD302,8830.2%−0.0 pts

04Montgomery County, MDMD1,074,5820.1%+0.0 pts

05Wicomico County, MDMD106,8990.1%–

06Somerset County, MDMD24,9730.1%–

07Howard County, MDMD339,1830.1%+0.0 pts

08Kent County, MDMD19,5650.1%–

09Anne Arundel County, MDMD603,3800.0%+0.0 pts

10Prince George's County, MDMD970,3740.0%+0.0 pts

11Dorchester County, MDMD33,6280.0%–

12Baltimore, MDMD569,9970.0%+0.0 pts

13Washington County, MDMD157,7310.0%−0.0 pts

14Charles County, MDMD176,5930.0%−0.0 pts

15Baltimore County, MDMD847,6500.0%−0.0 pts

16St. Mary's County, MDMD116,6920.0%−0.2 pts

17Carroll County, MDMD176,6770.0%–

18Cecil County, MDMD107,1310.0%–

19Harford County, MDMD266,4460.0%−0.1 pts

20Worcester County, MDMD54,4590.0%–

SHOWING 1–20 OF 20

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS