| Area of Residence | All Irish(%) | Roman Catholic Irish(%) | Protestant Irish (%) | General US Population (%) |
|---|---|---|---|---|
| City >250,000 | 20.2 | 24.5 | 17 | 24.5 |
| City 50-250,000 | 19.1 | 17.1 | 20.5 | 19.0 |
| Suburb of City >250,000 | 21.1 | 28.4 | 16.2 | 19.2 |
| Suburb of City >50,000 | 9.8 | 10.8 | 9.1 | 8.6 |
| City 10-49,000 | 7.3 | 6 | 8.1 | 6.8 |
| City 2500-10,000 | 5.4 | 4.7 | 5.9 | 5.7 |
| Smaller Areas | 5.4 | 3 | 7 | 5.2 |
| Open Country | 11.9 | 5.5 | 16.2 | 11.1 |
| Total | 100 | 100 | 100 | 100 |