| | Red Rock (Pinal County), AZ | Casa Grande, AZ | United States |
| Percent Religious | 24.8% | 24.8% | 49.4% |
| Baptist | 2.1% | 2.1% | 8.2% |
| Episcopalian | 0.1% | 0.1% | 0.6% |
| Catholic | 12.0% | 12.0% | 19.7% |
| Church of Jesus Christ | 4.3% | 4.3% | 2.1% |
| Lutheran | 0.4% | 0.4% | 2.4% |
| Pentecostal | 1.2% | 1.2% | 1.9% |
| Methodist | 1.3% | 1.3% | 4.0% |
| Presbyterian | 0.3% | 0.3% | 1.7% |
| Other Christian | 2.7% | 2.7% | 6.7% |
| Judaism | 0.0% | 0.0% | 0.7% |
| Eastern | 0.2% | 0.2% | 0.5% |
| Islam | 0.1% | 0.1% | 0.9% |