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. The median across all 24 is 12.8%. Biggest climber in the top 100 since 2020: Kent County, MD, up 6 places to #2.

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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

02▲6Kent County, MDMD19,56517.1%+1.5 pts

03▼1Cecil County, MDMD107,13116.4%−5.0 pts

04Talbot County, MDMD38,23816.4%−1.8 pts

05▲1Queen Anne's County, MDMD54,44814.9%−7.4 pts

06▼1Harford County, MDMD266,44614.9%−4.9 pts

07▼4Worcester County, MDMD54,45914.4%−3.8 pts

08▲2Calvert County, MDMD94,48414.2%−3.4 pts

09Garrett County, MDMD28,37013.4%+2.1 pts

10▲1Anne Arundel County, MDMD603,38013.1%−5.5 pts

11▲1Frederick County, MDMD302,88312.9%−4.5 pts

12▼5St. Mary's County, MDMD116,69212.8%−4.6 pts

13Allegany County, MDMD66,84812.7%−2.0 pts

14▲3Wicomico County, MDMD106,89911.6%−2.0 pts

15▲1Washington County, MDMD157,73111.2%−2.9 pts

16▼2Caroline County, MDMD34,11610.9%−4.6 pts

17▼2Baltimore 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

22▲1Baltimore, MDMD569,9975.8%−0.6 pts

23▼1Somerset 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 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES