RANKING · 2024 ACS · 16 SHOWN OF 16

Largest Costa Rican population, Maryland counties

Maryland counties ranked by the number of residents who are Costa Rican origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 16 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, MDMD1,074,5821,007+16%

02Baltimore County, MDMD847,650791+147%

03Prince George's County, MDMD970,374415+146%

04Frederick County, MDMD302,883343−23%

05Howard County, MDMD339,183336+132%

06Baltimore, MDMD569,997324+144%

07Talbot County, MDMD38,238200+1233%

08Anne Arundel County, MDMD603,380122+28%

09Calvert County, MDMD94,48496+284%

10Wicomico County, MDMD106,89985–

11St. Mary's County, MDMD116,69268−68%

12Harford County, MDMD266,44639−86%

13Carroll County, MDMD176,67724–

14Cecil County, MDMD107,13124–

15Washington County, MDMD157,73113−58%

16Worcester County, MDMD54,45911–

SHOWING 1–16 OF 16

Download CSV (full list, 16 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES