RANKING · 2010 CENSUS · 24 SHOWN OF 24

Highest Scotch-Irish population share, Maryland counties · 2010

Maryland counties ranked by the share of all residents who are Scotch-Irish ancestry (2010 American Community Survey). A concentration measure: Scotch-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 1.8%.

Scotch-Irish Americans: full group profile →

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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

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS –

01Queen Anne's County, MDMD54,4483.1%–

02Talbot County, MDMD38,2382.7%–

03Calvert County, MDMD94,4842.5%–

04Cecil County, MDMD107,1312.5%–

05Frederick County, MDMD302,8832.5%–

06Kent County, MDMD19,5652.4%–

07Allegany County, MDMD66,8482.2%–

08Garrett County, MDMD28,3702.2%–

09Worcester County, MDMD54,4592.1%–

10Harford County, MDMD266,4462.1%–

11Anne Arundel County, MDMD603,3802.0%–

12St. Mary's County, MDMD116,6921.8%–

13Carroll County, MDMD176,6771.8%–

14Wicomico County, MDMD106,8991.6%–

15Howard County, MDMD339,1831.5%–

16Washington County, MDMD157,7311.5%–

17Charles County, MDMD176,5931.4%–

18Baltimore County, MDMD847,6501.4%–

19Montgomery County, MDMD1,074,5821.4%–

20Caroline County, MDMD34,1161.3%–

21Dorchester County, MDMD33,6281.2%–

22Somerset County, MDMD24,9731.1%–

23Baltimore, MDMD569,9970.7%–

24Prince George's County, MDMD970,3740.5%–

SHOWING 1–24 OF 24

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