| | Howell, NJ | Harrison town (Hudson County), NJ | United States |
| Percent Religious | 57.4% | 59.6% | 49.4% |
| Baptist | 1.3% | 2.9% | 8.2% |
| Episcopalian | 1.0% | 0.3% | 0.6% |
| Catholic | 42.7% | 46.2% | 19.7% |
| Church of Jesus Christ | 0.2% | 0.7% | 2.1% |
| Lutheran | 1.0% | 0.5% | 2.4% |
| Pentecostal | 1.0% | 1.0% | 1.9% |
| Methodist | 2.5% | 0.5% | 4.0% |
| Presbyterian | 1.5% | 0.3% | 1.7% |
| Other Christian | 1.3% | 1.8% | 6.7% |
| Judaism | 3.3% | 0.6% | 0.7% |
| Eastern | 0.2% | 1.5% | 0.5% |
| Islam | 1.2% | 3.4% | 0.9% |