| | Elkhorn township (Dodge County), NE | Gretna, NE | United States |
| Percent Religious | 49.7% | 43.6% | 49.4% |
| Baptist | 1.7% | 2.8% | 8.2% |
| Episcopalian | 0.3% | 0.3% | 0.6% |
| Catholic | 4.6% | 22.5% | 19.7% |
| Church of Jesus Christ | 1.9% | 2.0% | 2.1% |
| Lutheran | 26.4% | 7.6% | 2.4% |
| Pentecostal | 0.5% | 1.7% | 1.9% |
| Methodist | 4.1% | 2.6% | 4.0% |
| Presbyterian | 4.0% | 1.0% | 1.7% |
| Other Christian | 6.2% | 3.1% | 6.7% |
| Judaism | 0.0% | 0.0% | 0.7% |
| Eastern | 0.0% | 0.0% | 0.5% |
| Islam | 0.0% | 0.0% | 0.9% |