| | Hercules, CA | Chadds Ford township (Delaware County), PA | United States |
| Percent Religious | 39.4% | 64.5% | 49.4% |
| Baptist | 2.6% | 1.8% | 8.2% |
| Episcopalian | 0.5% | 1.9% | 0.6% |
| Catholic | 22.5% | 48.1% | 19.7% |
| Church of Jesus Christ | 2.1% | 0.0% | 2.1% |
| Lutheran | 0.7% | 1.3% | 2.4% |
| Pentecostal | 2.1% | 0.5% | 1.9% |
| Methodist | 1.3% | 3.1% | 4.0% |
| Presbyterian | 1.3% | 2.4% | 1.7% |
| Other Christian | 3.6% | 3.8% | 6.7% |
| Judaism | 0.5% | 0.6% | 0.7% |
| Eastern | 1.0% | 0.1% | 0.5% |
| Islam | 1.0% | 0.8% | 0.9% |