RANKING · 2010 CENSUS · 24 SHOWN OF 24

Highest Irish population share, Maryland counties · 2010

Maryland counties ranked by the share of all residents who are Irish ancestry (2010 American Community Survey). A concentration measure: Irish 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 15.5%.

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS –

01Queen Anne's County, MDMD54,44822.4%–

02Cecil County, MDMD107,13121.4%–

03Harford County, MDMD266,44619.8%–

04Carroll County, MDMD176,67719.1%–

05Anne Arundel County, MDMD603,38018.6%–

06Talbot County, MDMD38,23818.2%–

07Worcester County, MDMD54,45918.2%–

08Calvert County, MDMD94,48417.6%–

09Frederick County, MDMD302,88317.4%–

10St. Mary's County, MDMD116,69217.4%–

11Caroline County, MDMD34,11615.6%–

12Kent County, MDMD19,56515.5%–

13Allegany County, MDMD66,84814.6%–

14Baltimore County, MDMD847,65014.6%–

15Washington County, MDMD157,73114.1%–

16Howard County, MDMD339,18313.9%–

17Wicomico County, MDMD106,89913.6%–

18Garrett County, MDMD28,37011.3%–

19Dorchester County, MDMD33,62811.1%–

20Charles County, MDMD176,59310.8%–

21Montgomery County, MDMD1,074,5829.6%–

22Somerset County, MDMD24,9738.3%–

23Baltimore, MDMD569,9976.4%–

24Prince George's County, MDMD970,3743.7%–

SHOWING 1–24 OF 24

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