| | Jupiter Island, FL | Hutchinson Island South, FL | United States |
| Percent Religious | 42.4% | 29.5% | 49.4% |
| Baptist | 3.8% | 4.1% | 8.2% |
| Episcopalian | 1.7% | 0.5% | 0.6% |
| Catholic | 21.8% | 12.9% | 19.7% |
| Church of Jesus Christ | 0.7% | 0.3% | 2.1% |
| Lutheran | 1.6% | 0.6% | 2.4% |
| Pentecostal | 0.9% | 2.5% | 1.9% |
| Methodist | 4.3% | 1.9% | 4.0% |
| Presbyterian | 1.6% | 0.8% | 1.7% |
| Other Christian | 4.4% | 5.3% | 6.7% |
| Judaism | 0.5% | 0.0% | 0.7% |
| Eastern | 0.2% | 0.0% | 0.5% |
| Islam | 1.0% | 0.6% | 0.9% |