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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 (2023 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.

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SAME RANKING BYCitiesStatesMetros
RELATEDLargest Mexican populationHighest Mexican population shareLargest Puerto Rican populationHighest Puerto Rican population shareLargest Cuban populationHighest Cuban population share
YEAR201020202024
Highest Costa Rican population share by state
RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2000
01Talbot County, MDMD38,2380.4%
02Caroline County, MDMD34,1160.2%
03Frederick County, MDMD302,8830.2%
04Montgomery County, MDMD1,074,5820.1%
05Wicomico County, MDMD106,8990.1%
06Somerset County, MDMD24,9730.1%
07Howard County, MDMD339,1830.1%
08Kent County, MDMD19,5650.1%
09Anne Arundel County, MDMD603,3800.0%
10Prince George's County, MDMD970,3740.0%
11Dorchester County, MDMD33,6280.0%
12Baltimore, MDMD569,9970.0%
13Washington County, MDMD157,7310.0%
14Charles County, MDMD176,5930.0%
15Baltimore County, MDMD847,6500.0%
16St. Mary's County, MDMD116,6920.0%
17Carroll County, MDMD176,6770.0%
18Cecil County, MDMD107,1310.0%
19Harford County, MDMD266,4460.0%
20Worcester County, MDMD54,4590.0%
SHOWING 1–20 OF 20
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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES