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 (2023 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.

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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 2000

01Montgomery County, MDMD1,074,5820.9%–

02Howard County, MDMD339,1830.6%–

03Frederick County, MDMD302,8830.2%–

04Baltimore, MDMD569,9970.2%–

05Baltimore County, MDMD847,6500.2%–

06St. Mary's County, MDMD116,6920.2%–

07Anne Arundel County, MDMD603,3800.1%–

08Harford County, MDMD266,4460.1%–

09Prince George's County, MDMD970,3740.1%–

10Charles County, MDMD176,5930.1%–

11Wicomico County, MDMD106,8990.1%–

12Washington County, MDMD157,7310.1%–

13Calvert County, MDMD94,4840.1%–

14Kent County, MDMD19,5650.0%–

15Carroll County, MDMD176,6770.0%–

16Somerset County, MDMD24,9730.0%–

17Allegany County, MDMD66,8480.0%–

18Worcester County, MDMD54,4590.0%–

19Garrett County, MDMD28,3700.0%–

SHOWING 1–19 OF 19

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES