Ranking of Pennsylvania Cities and Places By Percentage of Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.97M people in Pennsylvania with Irish ancestry (15.21% of Pennsylvania population). Among all Pennsylvania cities and places with a population of at least 10K, Ardmore CDP had the highest percentage of its population with Irish ancestry (33.28%), followed by Dunmore borough (31.02%), and Woodlyn CDP (30.87%).
The chart and table below shows the top 10 cities with high percentage of its population having Irish ancestry.
You can see similar information for other states and for other ancestry groups in Pennsylvania.
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Related Topics: Pennsylvania ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Pennsylvania Cities and Places By Percentage of Population with Irish Ancestry in 2021
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| Rank | Ciy or Place | Percentage of Pop. (%) |
|---|---|---|
| 1 | Ardmore CDP | 33.28 |
| 2 | Dunmore borough | 31.02 |
| 3 | Woodlyn CDP | 30.87 |
| 4 | Levittown CDP | 28.44 |
| 5 | Broomall CDP | 28.21 |
| 6 | Drexel Hill CDP | 27.95 |
| 7 | Willow Grove CDP | 26.27 |
| 8 | Roslyn CDP | 24.61 |
| 9 | Scranton city | 24.12 |
| 10 | Horsham CDP | 23.32 |
| 11 | Munhall borough | 22.21 |
| 12 | Bethel Park municipality | 22.09 |
| 13 | Phoenixville borough | 21.96 |
| 14 | Montgomeryville CDP | 21.02 |
| 15 | Allison Park CDP | 20.81 |
| 16 | Whitehall borough | 20.62 |
| 17 | Lower Burrell city | 20.49 |
| 18 | Mountain Top CDP | 20.42 |
| 19 | Butler city | 20.28 |
| 20 | Kingston borough | 20.20 |
| 21 | New Kensington city | 20.16 |
| 22 | Carnot-Moon CDP | 19.99 |
| 23 | Plum borough | 19.97 |
| 24 | Murrysville municipality | 19.77 |
| 25 | Jefferson Hills borough | 19.76 |
| 26 | Baldwin borough | 19.61 |
| 27 | West Chester borough | 19.35 |
| 28 | West Mifflin borough | 19.22 |
| 29 | Meadville city | 19.12 |
| 30 | Emmaus borough | 18.73 |
| 31 | Sharon city | 17.89 |
| 32 | Altoona city | 17.75 |
| 33 | Franklin Park borough | 17.74 |
| 34 | Pottsville city | 17.38 |
| 35 | Greensburg city | 16.85 |
| 36 | Nanticoke city | 16.39 |
| 37 | Lansdale borough | 15.78 |
| 38 | Carlisle borough | 15.76 |
| 39 | Indiana borough | 15.66 |
| 40 | Wilkes-Barre city | 14.87 |
| 41 | Williamsport city | 14.61 |
| 42 | King of Prussia CDP | 14.53 |
| 43 | Monroeville municipality | 14.31 |
| 44 | Johnstown city | 14.05 |
| 45 | State College borough | 13.89 |
| 46 | Hermitage city | 13.85 |
| 47 | Pittsburgh city | 13.80 |
| 48 | New Castle city | 13.62 |
| 49 | St. Marys city | 13.58 |
| 50 | Wyomissing borough | 13.57 |
| 51 | Washington city | 13.16 |
| 52 | Hanover borough | 13.11 |
| 53 | Waynesboro borough | 12.98 |
| 54 | Pottstown borough | 12.89 |
| 55 | Ephrata borough | 12.59 |
| 56 | Lansdowne borough | 12.57 |
| 57 | Erie city | 11.72 |
| 58 | McKeesport city | 11.68 |
| 59 | Bloomsburg town | 11.33 |
| 60 | Bethlehem city | 11.01 |
| 61 | Northampton borough | 10.98 |
| 62 | Columbia borough | 10.86 |
| 63 | Weigelstown CDP | 10.45 |
| 64 | Colonial Park CDP | 10.10 |
| 65 | Chambersburg borough | 10.01 |
| 66 | Easton city | 9.95 |
| 66 | Shiloh CDP | 9.95 |
| 67 | Philadelphia city | 9.91 |
| 68 | Elizabethtown borough | 9.79 |
| 69 | Hershey CDP | 9.60 |
| 70 | Berwick borough | 9.42 |
| 71 | Coatesville city | 8.52 |
| 72 | Lancaster city | 7.56 |
| 73 | Lebanon city | 7.34 |
| 74 | Wilkinsburg borough | 7.20 |
| 75 | Fullerton CDP | 7.19 |
| 76 | Norristown borough | 6.90 |
| 77 | Progress CDP | 5.95 |
| 78 | York city | 5.60 |
| 79 | Harrisburg city | 5.56 |
| 80 | Hazleton city | 5.06 |
| 81 | Allentown city | 4.68 |
| 82 | Yeadon borough | 4.53 |
| 83 | Darby borough | 3.91 |
| 84 | Reading city | 3.58 |
| 85 | Chester city | 3.19 |
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