RANKING · 2020 CENSUS · 24 SHOWN OF 24

Highest Scotch-Irish population share, Maryland counties · 2020

Maryland counties ranked by the share of all residents who are Scotch-Irish ancestry (2020 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.

Scotch-Irish Americans: full group profile →

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

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010

01Garrett County, MDMD28,3701.5%−0.7 pts

02Talbot County, MDMD38,2381.5%−1.2 pts

03Kent County, MDMD19,5651.1%−1.3 pts

04Calvert County, MDMD94,4841.1%−1.4 pts

05Carroll County, MDMD176,6771.1%−0.8 pts

06Dorchester County, MDMD33,6281.1%−0.1 pts

07Caroline County, MDMD34,1161.0%−0.2 pts

08Anne Arundel County, MDMD603,3801.0%−1.0 pts

09Queen Anne's County, MDMD54,4481.0%−2.1 pts

10Cecil County, MDMD107,1311.0%−1.5 pts

11Frederick County, MDMD302,8831.0%−1.5 pts

12Allegany County, MDMD66,8481.0%−1.3 pts

13Howard County, MDMD339,1830.9%−0.6 pts

14Worcester County, MDMD54,4590.9%−1.2 pts

15St. Mary's County, MDMD116,6920.9%−1.0 pts

16Washington County, MDMD157,7310.8%−0.7 pts

17Harford County, MDMD266,4460.7%−1.4 pts

18Wicomico County, MDMD106,8990.7%−0.9 pts

19Montgomery County, MDMD1,074,5820.7%−0.7 pts

20Charles County, MDMD176,5930.6%−0.8 pts

21Baltimore County, MDMD847,6500.6%−0.9 pts

22Somerset County, MDMD24,9730.5%−0.6 pts

23Baltimore, MDMD569,9970.3%−0.3 pts

24Prince George's County, MDMD970,3740.2%−0.4 pts

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS