RANKING · 2020 CENSUS · 24 SHOWN OF 24

Highest Puerto Rican population share, Maryland counties · 2020

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

01Cecil County, MDMD107,1311.7%–

02Harford County, MDMD266,4461.5%–

03Charles County, MDMD176,5931.4%–

04Anne Arundel County, MDMD603,3801.3%–

05Frederick County, MDMD302,8831.3%–

06Howard County, MDMD339,1831.2%–

07Washington County, MDMD157,7311.2%–

08Montgomery County, MDMD1,074,5821.1%–

09Baltimore County, MDMD847,6500.9%–

10Dorchester County, MDMD33,6280.8%–

11St. Mary's County, MDMD116,6920.8%–

12Baltimore, MDMD569,9970.8%–

13Kent County, MDMD19,5650.8%–

14Prince George's County, MDMD970,3740.8%–

15Calvert County, MDMD94,4840.7%–

16Talbot County, MDMD38,2380.7%–

17Wicomico County, MDMD106,8990.7%–

18Carroll County, MDMD176,6770.6%–

19Worcester County, MDMD54,4590.5%–

20Queen Anne's County, MDMD54,4480.5%–

21Somerset County, MDMD24,9730.5%–

22Allegany County, MDMD66,8480.4%–

23Caroline County, MDMD34,1160.4%–

24Garrett County, MDMD28,3700.1%–

SHOWING 1–24 OF 24

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