| Championship | M. | W | D | L | goals | |||
| at home | 1 | 1 | 0 | 0 | 3 | : | 1 | |
| Away | 1 | 0 | 0 | 1 | 1 | : | 3 | |
| ∑ | 2 | 1 | 0 | 1 | 4 | : | 4 | |
| FA Cup | M. | W | D | L | goals | |||
| Away | 2 | 0 | 0 | 2 | 0 | : | 6 | |
| ∑ | 2 | 0 | 0 | 2 | 0 | : | 6 | |
| League Cup | M. | W | D | L | goals | |||
| at home | 1 | 0 | 0 | 1 | 3 | : | 4 | |
| ∑ | 1 | 0 | 0 | 1 | 3 | : | 4 | |
| overall | M. | W | D | L | goals | |||
| at home | 2 | 1 | 0 | 1 | 6 | : | 5 | |
| Away | 3 | 0 | 0 | 3 | 1 | : | 9 | |
| Neutral Place | 0 | 0 | 0 | 0 | 0 | : | 0 | |
| ∑ | 5 | 1 | 0 | 4 | 7 | : | 14 | |
| Championship | |||||
| 1946/1947 | 8. Round | Millwall FC | - | Newport County | 3:1 |
| 1946/1947 | 4. Round | Newport County | - | Millwall FC | 3:1 |
| FA Cup | |||||
| 2019/2020 | 3. Round | Millwall FC | - | Newport County | 3:0 (1:0) |
| 1972/1973 | 3. Round | Millwall FC | - | Newport County | 3:0 |
| League Cup | |||||
| 1963/1964 | 1. Round | Newport County | - | Millwall FC | 3:4 |
|
For games that were decided on penalties the score after 120 minutes will be included in the ranking |
Wales ![Newport County [U18]](https://s.hs-data.com/bilder/wappen/mini/24051.gif?fallback=png "Newport County [U18]"){kind=small}
