| Clark, MN (Township) |
| Clark, MN (Township) |
| Clark, PA (Borough) |
| Clark, SD (City) |
| Clark, SD (Township) |
| Clark, SD (Township) |
| Clark, SD (Township) |
| Clark, NE (Township) |
| Clark, KS (Township) |
| Clark, ND (Township) |
| Clark, IN (Township) |
| Clark, MO (City) |
| Clark, MO (Township) |
| Clark, IN (Township) |
| Clark, IN (Township) |
