RANKING · 2024 ACS · 24 SHOWN OF 24

Highest Puerto Rican population share, Maryland counties

Maryland counties ranked by the share of all residents who are Puerto Rican origin (2023 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN SHAREVS 2000

01Anne Arundel County, MDMD603,3801.9%–

02Dorchester County, MDMD33,6281.7%–

03Washington County, MDMD157,7311.7%–

04Cecil County, MDMD107,1311.6%–

05Charles County, MDMD176,5931.4%–

06Harford County, MDMD266,4461.3%–

07Frederick County, MDMD302,8831.2%–

08Baltimore County, MDMD847,6501.2%–

09Calvert County, MDMD94,4841.2%–

10Howard County, MDMD339,1831.1%–

11Montgomery County, MDMD1,074,5821.1%–

12Baltimore, MDMD569,9971.0%–

13Prince George's County, MDMD970,3740.9%–

14Wicomico County, MDMD106,8990.9%–

15St. Mary's County, MDMD116,6920.9%–

16Caroline County, MDMD34,1160.9%–

17Talbot County, MDMD38,2380.7%–

18Carroll County, MDMD176,6770.7%–

19Queen Anne's County, MDMD54,4480.6%–

20Kent County, MDMD19,5650.4%–

21Worcester County, MDMD54,4590.4%–

22Allegany County, MDMD66,8480.4%–

23Somerset County, MDMD24,9730.3%–

24Garrett County, MDMD28,3700.2%–

SHOWING 1–24 OF 24

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