RANKING · 2024 ACS · 24 SHOWN OF 24

Largest American population, Maryland counties

Maryland counties ranked by the number of residents who are American ancestry, from the 2024 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. The median across all 24 is 7,171.

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

RELATEDHighest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

01Baltimore County, MDMD847,65035,343−12%

02Montgomery County, MDMD1,074,58230,233+11%

03▲1Prince George's County, MDMD970,37428,376+65%

04▼1Anne Arundel County, MDMD603,38024,066+4%

05Carroll County, MDMD176,67720,114+43%

06Baltimore, MDMD569,99715,886−42%

07▲1Frederick County, MDMD302,88313,386−7%

08▼1Harford County, MDMD266,44611,522−23%

09Howard County, MDMD339,1839,806−23%

10Washington County, MDMD157,7319,039−27%

11▲2Wicomico County, MDMD106,8997,192+23%

12▼1St. Mary's County, MDMD116,6927,171−20%

13▲1Charles County, MDMD176,5936,358−30%

14▼2Cecil County, MDMD107,1315,536−37%

15▲2Somerset County, MDMD24,9735,023+107%

16Calvert County, MDMD94,4844,408−33%

17▲1Allegany County, MDMD66,8483,950−55%

18▼3Dorchester County, MDMD33,6283,331−39%

19▲1Caroline County, MDMD34,1162,815+24%

20▼1Worcester County, MDMD54,4592,797−22%

21▲1Talbot County, MDMD38,2382,692−16%

22▼1Queen Anne's County, MDMD54,4482,628−8%

23Garrett County, MDMD28,3701,993−51%

24Kent County, MDMD19,5651,252−21%

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

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