Ranking of Pennsylvania Counties By Percentage of Population with Iranian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 6.95K people in Pennsylvania with Iranian ancestry (0.05% of Pennsylvania population). Among all Pennsylvania counties, Centre County had the highest percentage of its population with Iranian ancestry (0.38%), followed by Chester County (0.12%), and Lackawanna County (0.12%).

The chart and table below shows the top 10 counties with high percentage of its population having Iranian ancestry.

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

Data Source: US Census Bureau.
Ranking of Pennsylvania Counties By Percentage of Population with Iranian Ancestry in 2021
Centre County
Chester County
Lackawanna County
Montgomery County
Delaware County
Allegheny County
Philadelphia County
Cambria County
Cumberland County
Wayne County
Ranking of Pennsylvania Counties By Percentage of Population with Iranian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Centre County 0.38
2 Chester County 0.12
2 Lackawanna County 0.12
3 Montgomery County 0.11
4 Delaware County 0.10
5 Allegheny County 0.08
5 Philadelphia County 0.08
6 Cambria County 0.07
6 Cumberland County 0.07
6 Wayne County 0.07
7 Bucks County 0.06
8 Columbia County 0.05
8 Fayette County 0.05
8 York County 0.05
9 Northampton County 0.04
10 Carbon County 0.03
10 Franklin County 0.03
10 Union County 0.03
11 Adams County 0.02
11 Berks County 0.02
11 Dauphin County 0.02
11 Indiana County 0.02
11 Lancaster County 0.02
11 Lawrence County 0.02
11 Mercer County 0.02
11 Tioga County 0.02
12 Butler County 0.01
12 Clearfield County 0.01
12 Erie County 0.01
12 Lebanon County 0.01
12 Lehigh County 0.01
12 Luzerne County 0.01
12 Mifflin County 0.01
12 Monroe County 0.01
12 Potter County 0.01
12 Susquehanna County 0.01
12 Washington County 0.01
12 Westmoreland County 0.01
13 Schuylkill County 0.004
14 Lycoming County 0.001