RANKING · 2010 CENSUS · 24 SHOWN OF 24

Highest American population share, Maryland counties · 2010

Maryland counties ranked by the share of all residents who are American ancestry (2010 American Community Survey). A concentration measure: American 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 7.0%.

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS –

01Dorchester County, MDMD33,62817.0%–

02Garrett County, MDMD28,37013.6%–

03Allegany County, MDMD66,84811.8%–

04Somerset County, MDMD24,9739.2%–

05Cecil County, MDMD107,1318.8%–

06St. Mary's County, MDMD116,6928.8%–

07Talbot County, MDMD38,2388.6%–

08Washington County, MDMD157,7318.5%–

09Carroll County, MDMD176,6778.4%–

10Kent County, MDMD19,5657.9%–

11Calvert County, MDMD94,4847.4%–

12Worcester County, MDMD54,4597.0%–

13Caroline County, MDMD34,1166.9%–

14Charles County, MDMD176,5936.3%–

15Frederick County, MDMD302,8836.3%–

16Harford County, MDMD266,4466.2%–

17Queen Anne's County, MDMD54,4486.1%–

18Wicomico County, MDMD106,8996.0%–

19Baltimore County, MDMD847,6505.0%–

20Howard County, MDMD339,1834.6%–

21Baltimore, MDMD569,9974.4%–

22Anne Arundel County, MDMD603,3804.4%–

23Montgomery County, MDMD1,074,5822.9%–

24Prince George's County, MDMD970,3742.0%–

SHOWING 1–24 OF 24

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