| population | |
| Alber Lake Dam | |
| Ashton | |
| Ashton Church | |
| Cama | |
| Carmel Church | |
| Cemetery Chapel | |
| Clark County Fire Corporation | |
| Clark County Sheriff's Office | |
| Cobb Run Station | |
| Drew Bridge | |
| Eureka School (historical) |
 | Keokuk Municipal Airport | ~ 28.95 km |
| Fort Madison Municipal Airport | ~ 45.17 km |
| Mount Pleasant Municipal Airport | ~ 61.53 km |
| Southeast Iowa Regional Airport | ~ 67.06 km |
| Fairfield Municipal Airport | ~ 71.68 km |
| Quincy Regional Baldwin Field | ~ 72.76 km |
| Kirksville Regional Airport | ~ 75.72 km |
| Ottumwa Regional Airport | ~ 94.73 km |
| Macomb Municipal Airport | ~ 94.92 km |
