| | Sioux Falls, SD | Franklin town (Delaware County), NY | United States |
| Percent Religious | 41.8% | 43.9% | 49.4% |
| Baptist | 3.2% | 1.1% | 8.2% |
| Episcopalian | 0.0% | 1.3% | 0.6% |
| Catholic | 4.1% | 17.7% | 19.7% |
| Church of Jesus Christ | 0.5% | 0.4% | 2.1% |
| Lutheran | 18.8% | 1.1% | 2.4% |
| Pentecostal | 1.2% | 0.7% | 1.9% |
| Methodist | 3.8% | 8.7% | 4.0% |
| Presbyterian | 7.8% | 3.9% | 1.7% |
| Other Christian | 2.4% | 4.6% | 6.7% |
| Judaism | 0.0% | 0.9% | 0.7% |
| Eastern | 0.0% | 0.3% | 0.5% |
| Islam | 0.0% | 3.2% | 0.9% |