Ranking of Connecticut Counties By Population with Iranian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.66K people in Connecticut with Iranian ancestry. Among all Connecticut counties, Fairfield County had the highest population with Iranian ancestry (873), followed by New Haven County (742), and Hartford County (673).

The chart and table below shows the top 8 counties with high number of people with Iranian ancestry.

You can see similar information for other states and for other ancestry groups in Connecticut.

Data Source: US Census Bureau.
Ranking of Connecticut Counties By Population with Iranian Ancestry in 2021
Fairfield County
New Haven County
Hartford County
Tolland County
New London County
Litchfield County
Middlesex County
Windham County
Ranking of Connecticut Counties By Population with Iranian Ancestry in 2021
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Rank County Population
1 Fairfield County 873
2 New Haven County 742
3 Hartford County 673
4 Tolland County 207
5 New London County 93
6 Litchfield County 42
7 Middlesex County 29
8 Windham County 4