| население | |
| Davies Memorial United Church of Christ | |
| Potosi | 678 |
| Potosi Elementary School | |
| Potosi Middle School | |
| Potosi Police Department |
 | Dubuque Regional Airport | ~ 31.73 км |
| Prairie Du Chien Municipal Airport | ~ 49.95 км |
| Tri-County Regional Airport | ~ 72.34 км |
| Waukon Municipal Airport | ~ 90.32 км |
| Clinton Municipal Airport | ~ 100.26 км |
| Albertus Airport | ~ 104.79 км |
| Decorah Municipal Airport | ~ 106.19 км |
| Davenport Municipal Airport | ~ 120.17 км |
| The Eastern Iowa Airport | ~ 121.37 км |
