RANKING · 2024 ACS · 24 SHOWN OF 24

Highest Mexican population share, Maryland counties

Maryland counties ranked by the share of all residents who are Mexican origin (2024 American Community Survey). A concentration measure: Mexican 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 1.9%. Biggest climber in the top 100 since 2020: Caroline County, MD, up 10 places to #11.

Mexican Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2010

01Prince George's County, MDMD970,3743.4%+0.7 pts

02▲1Wicomico County, MDMD106,8993.0%+1.6 pts

03▲5St. Mary's County, MDMD116,6922.8%+1.6 pts

04▲2Cecil County, MDMD107,1312.4%+1.7 pts

05Talbot County, MDMD38,2382.3%+0.7 pts

06▲1Kent County, MDMD19,5652.3%−0.2 pts

07▲7Charles County, MDMD176,5932.2%+1.1 pts

08▼4Anne Arundel County, MDMD603,3802.1%+0.4 pts

09▲2Frederick County, MDMD302,8832.0%+0.8 pts

10▼8Dorchester County, MDMD33,6282.0%+0.8 pts

11▲10Caroline County, MDMD34,1161.9%−0.1 pts

12▲1Somerset County, MDMD24,9731.9%+0.9 pts

13▲5Baltimore, MDMD569,9971.7%+0.4 pts

14▼2Howard County, MDMD339,1831.7%+0.3 pts

15▼5Montgomery County, MDMD1,074,5821.6%+0.2 pts

16▲4Washington County, MDMD157,7311.5%+1.0 pts

17▼2Harford County, MDMD266,4461.5%+0.7 pts

18▼2Baltimore County, MDMD847,6501.4%+0.5 pts

19Carroll County, MDMD176,6771.3%+0.3 pts

20▼11Worcester County, MDMD54,4591.2%−0.9 pts

21▼4Calvert County, MDMD94,4841.1%+0.5 pts

22Queen Anne's County, MDMD54,4480.9%−0.3 pts

23▲1Garrett County, MDMD28,3700.6%+0.3 pts

24▼1Allegany County, MDMD66,8480.3%−0.1 pts

SHOWING 1–24 OF 24

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