RANKING · 2020 CENSUS · 19 SHOWN OF 19

Highest Iranian population share, Maryland counties · 2020

Maryland counties ranked by the share of all residents who are Iranian ancestry (2020 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 19 counties in Maryland that qualify, ranked against each other statewide.

Iranian Americans: full group profile →

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

YEAR2010 2020 2024

Highest Iranian population share by state

RANKPLACESTATEPOPIRANIAN SHAREVS 2010

01Montgomery County, MDMD1,074,5820.9%−0.0 pts

02Howard County, MDMD339,1830.6%+0.2 pts

03Frederick County, MDMD302,8830.2%+0.0 pts

04Baltimore, MDMD569,9970.2%+0.1 pts

05Baltimore County, MDMD847,6500.2%+0.0 pts

06St. Mary's County, MDMD116,6920.2%–

07Anne Arundel County, MDMD603,3800.1%+0.1 pts

08Harford County, MDMD266,4460.1%+0.1 pts

09Prince George's County, MDMD970,3740.1%+0.0 pts

10Charles County, MDMD176,5930.1%+0.0 pts

11Wicomico County, MDMD106,8990.1%−0.0 pts

12Washington County, MDMD157,7310.1%–

13Calvert County, MDMD94,4840.1%–

14Kent County, MDMD19,5650.0%–

15Carroll County, MDMD176,6770.0%−0.0 pts

16Somerset County, MDMD24,9730.0%–

17Allegany County, MDMD66,8480.0%−0.0 pts

18Worcester County, MDMD54,4590.0%−0.0 pts

19Garrett County, MDMD28,3700.0%–

SHOWING 1–19 OF 19

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