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 (2023 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.

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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 2000

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 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES