RANKING · 2020 CENSUS · 24 SHOWN OF 24

Largest Mexican population, Maryland counties · 2020

Maryland counties ranked by the number of residents who are Mexican origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

Mexican Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN POPULATIONVS 2010

01Prince George's County, MDMD970,37426,407+16%

02Montgomery County, MDMD1,074,58216,419+19%

03Anne Arundel County, MDMD603,38011,655+30%

04Baltimore County, MDMD847,6509,459+32%

05Baltimore, MDMD569,9976,523−23%

06Howard County, MDMD339,1834,110+9%

07Frederick County, MDMD302,8833,400+26%

08Harford County, MDMD266,4462,963+48%

09Wicomico County, MDMD106,8992,578+89%

10St. Mary's County, MDMD116,6922,015+66%

11Cecil County, MDMD107,1312,001+213%

12Charles County, MDMD176,5931,980+27%

13Carroll County, MDMD176,6771,585−5%

14Washington County, MDMD157,7311,367+69%

15Calvert County, MDMD94,4841,022+102%

16Worcester County, MDMD54,459850−21%

17Dorchester County, MDMD33,628841+118%

18Talbot County, MDMD38,238748+27%

19Kent County, MDMD19,565348−30%

20Queen Anne's County, MDMD54,448321−39%

21Somerset County, MDMD24,973318+18%

22Allegany County, MDMD66,848302−8%

23Caroline County, MDMD34,116265−61%

24Garrett County, MDMD28,37097−3%

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

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