Largest Iranian population, US counties
US counties ranked by the number of residents who are Iranian ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Los Angeles County, California leads at 86,430. 1,075 counties qualify in total. California carries 11 of the top 25 entries. The median across all 1,075 is 40. Biggest climber in the top 100 since 2020: Montgomery County, TX, up 101 places to #98.
Iranian Americans: full group profile →UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest iranian population?
Los Angeles County, California ranks #1 with 86,430 (2024 American Community Survey).
What are the top 5 counties by iranian population?
Los Angeles County, California, Orange County, California, Santa Clara County, California, San Diego County, California, Harris County, Texas.
How many counties are in this ranking?
1,075 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is iranian population measured?
Number of residents who are Iranian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).