RANKING · 2020 CENSUS · 19 SHOWN OF 19

Largest Iranian population, Maryland counties · 2020

Maryland counties ranked by the number of residents who are Iranian 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 19 counties in Maryland that qualify, ranked against each other statewide.

Iranian 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

RANKPLACESTATEPOPIRANIAN POPULATIONVS 2010

01Montgomery County, MDMD1,074,5829,888+8%

02Howard County, MDMD339,1831,805+61%

03Baltimore County, MDMD847,6501,707+4%

04Baltimore, MDMD569,9971,304+65%

05Anne Arundel County, MDMD603,380791+93%

06Prince George's County, MDMD970,374706+21%

07Frederick County, MDMD302,883628+28%

08Harford County, MDMD266,446220+162%

09St. Mary's County, MDMD116,692171–

10Charles County, MDMD176,593110+206%

11Washington County, MDMD157,73180–

12Wicomico County, MDMD106,89958+2%

13Calvert County, MDMD94,48447–

14Carroll County, MDMD176,67746−55%

15Allegany County, MDMD66,84818−5%

16Kent County, MDMD19,5658–

17Worcester County, MDMD54,4598−75%

18Somerset County, MDMD24,9737–

19Garrett County, MDMD28,3702–

SHOWING 1–19 OF 19

Download CSV (full list, 19 rows)

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