| | Crystal Falls township, MI | Erie, PA | United States |
| Percent Religious | 50.1% | 56.7% | 49.4% |
| Baptist | 0.7% | 2.1% | 8.2% |
| Episcopalian | 0.5% | 0.5% | 0.6% |
| Catholic | 28.6% | 34.0% | 19.7% |
| Church of Jesus Christ | 0.0% | 0.6% | 2.1% |
| Lutheran | 13.4% | 3.0% | 2.4% |
| Pentecostal | 0.7% | 2.2% | 1.9% |
| Methodist | 4.6% | 5.7% | 4.0% |
| Presbyterian | 0.9% | 2.1% | 1.7% |
| Other Christian | 0.6% | 5.4% | 6.7% |
| Judaism | 0.0% | 0.2% | 0.7% |
| Eastern | 0.0% | 0.0% | 0.5% |
| Islam | 0.0% | 0.7% | 0.9% |