RANKING · 2020 CENSUS · 24 SHOWN OF 24

Highest Mexican population share, Maryland counties · 2020

Maryland counties ranked by the share of all residents who are Mexican origin (2020 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 1.3%.

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, MDMD970,3742.9%+0.2 pts

02Dorchester County, MDMD33,6282.6%+1.4 pts

03Wicomico County, MDMD106,8992.5%+1.1 pts

04Anne Arundel County, MDMD603,3802.0%+0.3 pts

05Talbot County, MDMD38,2382.0%+0.4 pts

06Cecil County, MDMD107,1311.9%+1.3 pts

07Kent County, MDMD19,5651.8%−0.7 pts

08St. Mary's County, MDMD116,6921.8%+0.6 pts

09Worcester County, MDMD54,4591.6%−0.5 pts

10Montgomery County, MDMD1,074,5821.6%+0.1 pts

11Frederick County, MDMD302,8831.3%+0.1 pts

12Howard County, MDMD339,1831.3%−0.1 pts

13Somerset County, MDMD24,9731.2%+0.2 pts

14Charles County, MDMD176,5931.2%+0.1 pts

15Harford County, MDMD266,4461.2%+0.3 pts

16Baltimore County, MDMD847,6501.1%+0.2 pts

17Calvert County, MDMD94,4841.1%+0.5 pts

18Baltimore, MDMD569,9971.1%−0.3 pts

19Carroll County, MDMD176,6770.9%−0.1 pts

20Washington County, MDMD157,7310.9%+0.4 pts

21Caroline County, MDMD34,1160.8%−1.3 pts

22Queen Anne's County, MDMD54,4480.6%−0.5 pts

23Allegany County, MDMD66,8480.4%0.0 pts

24Garrett County, MDMD28,3700.3%0.0 pts

SHOWING 1–24 OF 24

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS