| население | |
| Blacks | |
| Blue Stocking School (historical) | |
| Central High School | |
| Clayton | 745 |
| Clayton Christian Church | |
| Clayton Fire Protection District | |
| Evangelical Lutheran Cemetery |
 | Quincy Regional Baldwin Field | ~ 23.13 км |
| Macomb Municipal Airport | ~ 57.71 км |
| Keokuk Municipal Airport | ~ 58.80 км |
| Fort Madison Municipal Airport | ~ 72.92 км |
| Southeast Iowa Regional Airport | ~ 81.24 км |
| Galesburg Municipal Airport | ~ 107.62 км |
| Mount Pleasant Municipal Airport | ~ 108.41 км |
| Abraham Lincoln Capital Airport | ~ 112.95 км |
| General Wayne A. Downing Peoria International Airport | ~ 127.38 км |
