City | 2024 Population |
|---|---|
| Nance | 45 |
| Naples | 40 |
| New Effington | 222 |
| New Elm Spring Colony | 9 |
| New Holland | 2 |
| New Hope | 98 |
| New Surprise Valley | 3 |
| New Underwood | 632 |
| New Witten | 51 |
| Newark | 55 |
| Newell | 607 |
| Newport | 61 |
| Nisland | 214 |
| Norden | 301 |
| Nordland | 29 |
| Norris | 162 |
| North Bryant | 41 |
| North Buffalo | 81 |
| North Detroit | 46 |
| North Eagle Butte | 1,536 |
| North Gregory | 438 |
| North Hughes | 250 |
| North Hyde | 117 |
| North Jones | 24 |
| North Lawrence | 7,083 |
| North Meade | 441 |
| North Sioux City | 3,010 |
| North Spearfish | 1,331 |
| Northeast Fall River | 2,611 |
| Northeast Jackson | 196 |
| Northeast Pennington | 52 |
| Northeast Perkins | 135 |
| Northville | 133 |
| Northwest Hand | 169 |
| Northwest Jackson | 58 |
| Norway | 169 |
| Nunda | 48 |
| Nutley | 80 |