| | Garden Plain, KS | Garden Plain township, KS | United States |
| Percent Religious | 52.3% | 52.3% | 49.4% |
| Baptist | 8.6% | 8.6% | 8.2% |
| Episcopalian | 0.5% | 0.5% | 0.6% |
| Catholic | 15.6% | 15.6% | 19.7% |
| Church of Jesus Christ | 1.5% | 1.5% | 2.1% |
| Lutheran | 2.0% | 2.0% | 2.4% |
| Pentecostal | 2.3% | 2.3% | 1.9% |
| Methodist | 6.4% | 6.4% | 4.0% |
| Presbyterian | 1.8% | 1.8% | 1.7% |
| Other Christian | 12.4% | 12.4% | 6.7% |
| Judaism | 0.0% | 0.0% | 0.7% |
| Eastern | 0.9% | 0.9% | 0.5% |
| Islam | 0.3% | 0.3% | 0.9% |