RANKING · 2020 CENSUS · 24 SHOWN OF 24

Highest American population share, Maryland counties · 2020

Maryland counties ranked by the share of all residents who are American ancestry (2020 American Community Survey). A concentration measure: American residents as a percentage of total population. This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

American ancestry: full group profile →

MarylandAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS 2010

01Somerset County, MDMD24,97319.4%+10.3 pts

02Dorchester County, MDMD33,62816.4%−0.6 pts

03Carroll County, MDMD176,67712.1%+3.6 pts

04Caroline County, MDMD34,11610.5%+3.6 pts

05Worcester County, MDMD54,4597.9%+0.8 pts

06St. Mary's County, MDMD116,6927.1%−1.6 pts

07Kent County, MDMD19,5657.1%−0.8 pts

08Cecil County, MDMD107,1317.1%−1.7 pts

09Wicomico County, MDMD106,8996.7%+0.7 pts

10Allegany County, MDMD66,8486.6%−5.2 pts

11Washington County, MDMD157,7316.2%−2.3 pts

12Queen Anne's County, MDMD54,4486.1%+0.0 pts

13Harford County, MDMD266,4466.0%−0.2 pts

14Frederick County, MDMD302,8835.9%−0.4 pts

15Talbot County, MDMD38,2385.8%−2.8 pts

16Calvert County, MDMD94,4845.6%−1.9 pts

17Garrett County, MDMD28,3705.5%−8.1 pts

18Anne Arundel County, MDMD603,3804.8%+0.5 pts

19Baltimore County, MDMD847,6504.2%−0.8 pts

20Charles County, MDMD176,5934.0%−2.3 pts

21Howard County, MDMD339,1833.6%−1.0 pts

22Montgomery County, MDMD1,074,5823.2%+0.3 pts

23Prince George's County, MDMD970,3743.0%+1.0 pts

24Baltimore, MDMD569,9972.9%−1.5 pts

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

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