RANKING · 2020 CENSUS · 24 SHOWN OF 24

Highest Irish population share, Maryland counties · 2020

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.

MarylandAll states All rankings

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, MDMD176,67718.1%–

02Cecil County, MDMD107,13117.7%–

03Worcester County, MDMD54,45917.2%–

04Talbot County, MDMD38,23816.4%–

05Harford County, MDMD266,44615.7%–

06Queen Anne's County, MDMD54,44815.6%–

07St. Mary's County, MDMD116,69215.5%–

08Kent County, MDMD19,56515.1%–

09Garrett County, MDMD28,37015.1%–

10Calvert County, MDMD94,48415.0%–

11Anne Arundel County, MDMD603,38014.2%–

12Frederick County, MDMD302,88313.7%–

13Allegany County, MDMD66,84812.6%–

14Caroline County, MDMD34,11612.2%–

15Baltimore County, MDMD847,65011.7%–

16Washington County, MDMD157,73110.9%–

17Wicomico County, MDMD106,89910.4%–

18Howard County, MDMD339,18310.4%–

19Dorchester County, MDMD33,6289.1%–

20Montgomery County, MDMD1,074,5827.9%–

21Charles County, MDMD176,5937.4%–

22Somerset County, MDMD24,9736.8%–

23Baltimore, MDMD569,9975.6%–

24Prince George's County, MDMD970,3742.6%–

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

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