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 (2024 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. The median across all 24 is 1.0%. Biggest climber in the top 100 since 2020: Dorchester County, MD, up 8 places to #2.

Puerto Rican Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN SHAREVS 2010

01▲3Anne Arundel County, MDMD603,3801.9%+0.9 pts

02▲8Dorchester County, MDMD33,6281.7%+0.5 pts

03▲4Washington County, MDMD157,7311.7%+0.8 pts

04▼3Cecil County, MDMD107,1311.6%+0.2 pts

05▼2Charles County, MDMD176,5931.4%+0.1 pts

06▼4Harford County, MDMD266,4461.3%+0.5 pts

07▼2Frederick County, MDMD302,8831.2%+0.2 pts

08▲1Baltimore County, MDMD847,6501.2%+0.6 pts

09▲6Calvert County, MDMD94,4841.2%+0.5 pts

10▼4Howard County, MDMD339,1831.1%+0.4 pts

11▼3Montgomery County, MDMD1,074,5821.1%+0.3 pts

12Baltimore, MDMD569,9971.0%+0.6 pts

13▲1Prince George's County, MDMD970,3740.9%+0.2 pts

14▲3Wicomico County, MDMD106,8990.9%−0.2 pts

15▼4St. Mary's County, MDMD116,6920.9%0.0 pts

16▲7Caroline County, MDMD34,1160.9%+0.5 pts

17▼1Talbot County, MDMD38,2380.7%−0.2 pts

18Carroll County, MDMD176,6770.7%+0.2 pts

19▲1Queen Anne's County, MDMD54,4480.6%+0.1 pts

20▼7Kent County, MDMD19,5650.4%−0.8 pts

21▼2Worcester County, MDMD54,4590.4%+0.4 pts

22Allegany County, MDMD66,8480.4%−0.1 pts

23▼2Somerset County, MDMD24,9730.3%−0.5 pts

24Garrett County, MDMD28,3700.2%0.0 pts

SHOWING 1–24 OF 24

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES