RANKING · 2024 ACS · 24 SHOWN OF 24

Highest Irish population share, Maryland counties

Maryland counties ranked by the share of all residents who are Irish ancestry (2024 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.

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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 2010

01Carroll County, MDMD176,67717.6%−1.5 pts

02Kent County, MDMD19,56517.1%+1.5 pts

03Cecil County, MDMD107,13116.4%−5.0 pts

04Talbot County, MDMD38,23816.4%−1.8 pts

05Queen Anne's County, MDMD54,44814.9%−7.4 pts

06Harford County, MDMD266,44614.9%−4.9 pts

07Worcester County, MDMD54,45914.4%−3.8 pts

08Calvert County, MDMD94,48414.2%−3.4 pts

09Garrett County, MDMD28,37013.4%+2.1 pts

10Anne Arundel County, MDMD603,38013.1%−5.5 pts

11Frederick County, MDMD302,88312.9%−4.5 pts

12St. Mary's County, MDMD116,69212.8%−4.6 pts

13Allegany County, MDMD66,84812.7%−2.0 pts

14Wicomico County, MDMD106,89911.6%−2.0 pts

15Washington County, MDMD157,73111.2%−2.9 pts

16Caroline County, MDMD34,11610.9%−4.6 pts

17Baltimore County, MDMD847,65010.5%−4.1 pts

18Howard County, MDMD339,18310.2%−3.7 pts

19Dorchester County, MDMD33,6289.8%−1.3 pts

20Montgomery County, MDMD1,074,5827.6%−2.0 pts

21Charles County, MDMD176,5936.3%−4.5 pts

22Baltimore, MDMD569,9975.8%−0.6 pts

23Somerset County, MDMD24,9735.1%−3.2 pts

24Prince George's County, MDMD970,3742.4%−1.2 pts

SHOWING 1–24 OF 24

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES