RANKING · 2010 CENSUS · 14 SHOWN OF 14

Largest Costa Rican population, Maryland counties · 2010

Maryland counties ranked by the number of residents who are Costa Rican origin, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 14 counties in Maryland that qualify, ranked against each other statewide.

MarylandAll states All rankings

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 2000

01Montgomery County, MDMD1,074,582871–

02Frederick County, MDMD302,883443–

03Baltimore County, MDMD847,650320–

04Harford County, MDMD266,446270–

05St. Mary's County, MDMD116,692213–

06Prince George's County, MDMD970,374169–

07Howard County, MDMD339,183145–

08Baltimore, MDMD569,997133–

09Anne Arundel County, MDMD603,38095–

10Charles County, MDMD176,59374–

11Washington County, MDMD157,73131–

12Calvert County, MDMD94,48425–

13Talbot County, MDMD38,23815–

14Allegany County, MDMD66,8482–

SHOWING 1–14 OF 14

Download CSV (full list, 14 rows)

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