RANKING · 2024 ACS · 16 SHOWN OF 16

Highest Costa Rican population share, Maryland counties

Maryland counties ranked by the share of all residents who are Costa Rican origin (2023 American Community Survey). A concentration measure: Costa Rican residents as a percentage of total population. This list covers the 16 counties in Maryland that qualify, ranked against each other statewide.

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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 2000

01Talbot County, MDMD38,2380.5%–

02Frederick County, MDMD302,8830.1%–

03Calvert County, MDMD94,4840.1%–

04Howard County, MDMD339,1830.1%–

05Montgomery County, MDMD1,074,5820.1%–

06Baltimore County, MDMD847,6500.1%–

07Wicomico County, MDMD106,8990.1%–

08St. Mary's County, MDMD116,6920.1%–

09Baltimore, MDMD569,9970.1%–

10Prince George's County, MDMD970,3740.0%–

11Cecil County, MDMD107,1310.0%–

12Worcester County, MDMD54,4590.0%–

13Anne Arundel County, MDMD603,3800.0%–

14Harford County, MDMD266,4460.0%–

15Carroll County, MDMD176,6770.0%–

16Washington County, MDMD157,7310.0%–

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES