| population | |
| Knapp | 460 |
| population | |
| Knapp Elementary School |
 | Amery Municipal Airport | ~ 43.50 km |
| Chippewa Valley Regional Airport | ~ 47.64 km |
| Rice Lake Regional Airport - Carl's Field | ~ 57.60 km |
| L O Simenstad Municipal Airport | ~ 62.58 km |
| St Paul Downtown Holman Field | ~ 77.39 km |
| Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | ~ 90.47 km |
| Stanton Airfield | ~ 91.18 km |
| Grantsburg Municipal Airport | ~ 104.73 km |
| Flying Cloud Airport | ~ 109.59 km |
