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 (2023 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 2000

01Carroll County, MDMD176,67717.6%–

02Kent County, MDMD19,56517.1%–

03Cecil County, MDMD107,13116.4%–

04Talbot County, MDMD38,23816.4%–

05Queen Anne's County, MDMD54,44814.9%–

06Harford County, MDMD266,44614.9%–

07Worcester County, MDMD54,45914.4%–

08Calvert County, MDMD94,48414.2%–

09Garrett County, MDMD28,37013.4%–

10Anne Arundel County, MDMD603,38013.1%–

11Frederick County, MDMD302,88312.9%–

12St. Mary's County, MDMD116,69212.8%–

13Allegany County, MDMD66,84812.7%–

14Wicomico County, MDMD106,89911.6%–

15Washington County, MDMD157,73111.2%–

16Caroline County, MDMD34,11610.9%–

17Baltimore County, MDMD847,65010.5%–

18Howard County, MDMD339,18310.2%–

19Dorchester County, MDMD33,6289.8%–

20Montgomery County, MDMD1,074,5827.6%–

21Charles County, MDMD176,5936.3%–

22Baltimore, MDMD569,9975.8%–

23Somerset County, MDMD24,9735.1%–

24Prince George's County, MDMD970,3742.4%–

SHOWING 1–24 OF 24

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