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 (2024 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.

Costa Rican Americans: full group profile →

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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 2010

01Talbot County, MDMD38,2380.5%+0.5 pts

02Frederick County, MDMD302,8830.1%−0.1 pts

03Calvert County, MDMD94,4840.1%+0.1 pts

04Howard County, MDMD339,1830.1%+0.0 pts

05Montgomery County, MDMD1,074,5820.1%+0.0 pts

06Baltimore County, MDMD847,6500.1%+0.1 pts

07Wicomico County, MDMD106,8990.1%–

08St. Mary's County, MDMD116,6920.1%−0.1 pts

09Baltimore, MDMD569,9970.1%+0.0 pts

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

11Cecil County, MDMD107,1310.0%–

12Worcester County, MDMD54,4590.0%–

13Anne Arundel County, MDMD603,3800.0%+0.0 pts

14Harford County, MDMD266,4460.0%−0.1 pts

15Carroll County, MDMD176,6770.0%–

16Washington County, MDMD157,7310.0%−0.0 pts

SHOWING 1–16 OF 16

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES