Parishes
| Parish Name | Type of Parish | Duration | Notes
| | Bodelwyddan | Civil parish | 1894-1974 |
| | Bodfari | Parish (ancient), Civil parish | 1894-1974 |
| | Cwm | Parish (ancient), Civil parish | 1894-1974 |
| | Diserth | Parish (ancient), Civil parish | 1894-1974 |
| | Meliden | Parish (ancient), Civil parish | 1894-1974 |
| | Rhuddlan | Parish (ancient), Civil parish | 1894-1974 |
| | St. Asaph | Parish (ancient), Civil parish | 1894-1974 |
| | Tremeirchion | Parish (ancient), Civil parish | 1894-1974 |
| | Y Waun | Township, Civil Parish | 1894-1974 |
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