RANKING · 2020 CENSUS · 24 SHOWN OF 24

Largest Scotch-Irish population, Maryland counties · 2020

Maryland counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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 POPULATIONVS 2010

01Montgomery County, MDMD1,074,5827,369−44%

02Anne Arundel County, MDMD603,3805,803−45%

03Baltimore County, MDMD847,6504,826−58%

04Howard County, MDMD339,1833,010−28%

05Frederick County, MDMD302,8832,444−56%

06Baltimore, MDMD569,9972,057−50%

07Harford County, MDMD266,4461,806−64%

08Carroll County, MDMD176,6771,794−41%

09Prince George's County, MDMD970,3741,678−64%

10Washington County, MDMD157,7311,146−46%

11Charles County, MDMD176,5931,042−50%

12Calvert County, MDMD94,4841,026−54%

13Cecil County, MDMD107,131998−60%

14St. Mary's County, MDMD116,692989−47%

15Wicomico County, MDMD106,899727−52%

16Allegany County, MDMD66,848677−59%

17Talbot County, MDMD38,238552−46%

18Queen Anne's County, MDMD54,448494−66%

19Worcester County, MDMD54,459456−58%

20Garrett County, MDMD28,370436−34%

21Caroline County, MDMD34,116345−18%

22Dorchester County, MDMD33,628337−10%

23Kent County, MDMD19,565223−54%

24Somerset County, MDMD24,973127−55%

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS