City | 2024 Population |
|---|---|
| Oak Ridge | 10,965 |
| Oak Valley | 4,394 |
| Oakhurst | 4,116 |
| Oakland | 12,591 |
| Oaklyn | 3,920 |
| Ocean | 27,576 |
| Ocean Acres | 18,915 |
| Ocean City | 11,391 |
| Ocean Gate | 2,027 |
| Ocean Grove | 3,107 |
| Ocean View | 1,184 |
| Oceanport | 6,103 |
| Oceanville | 1,105 |
| Ogdensburg | 2,313 |
| Old Bridge | 28,352 |
| Old Tappan | 5,791 |
| Oldmans | 1,927 |
| Oldwick | 343 |
| Olivet | 1,741 |
| Oradell | 8,110 |
| Othello | 105 |
| Oxford | 1,213 |