There were 43 places in the hundred of Ainsty in Domesday Book.
| Name | Households |
|---|---|
| Acomb | 14 |
| Thorp [Arch] | 14 |
| Acaster [Selby] | 11 |
| [Long] Marston | 9 |
| Askham [Bryan] | 8 |
| Bilbrough | 8 |
| Bilton | 8 |
| Rufforth | 8 |
| Steeton [Hall] | 7.3 |
| Appleton [Roebuck] | 7 |
| Askham [Richard] | 7 |
| Bolton [Percy] | 7 |
| [Hutton] Wandesley | 7 |
| Healaugh | 6.3 |
| Wighill | 6.3 |
| Wighill Park | 6.3 |
| [Moor] Monkton | 6 |
| [Upper] Poppleton | 6 |
| Walton | 6 |
| Catterton | 5 |
| Colton | 5 |
| Copmanthorpe | 5 |
| Hessay | 5 |
| Hornington [Manor] | 5 |
| Knapton | 5 |
| Scagglethorpe | 5 |
| Bickerton | 4 |
| Bishopthorpe | 4 |
| [Palla]thorpe | 4 |
| Acaster [Malbis] | 3 |
| Haggenby | 3 |
| [Nether] Poppleton | 2 |
| Bithen | 0 |
| Malkton | 0 |
| [Middle]thorpe | 0 |
| Mulede | 0 |
| Mulehale | 0 |
| Mulhede | 0 |
| Ouston [Farm] | 0 |
| Oxton | 0 |
| Rodouuelle | 0 |
| Tockwith | 0 |
| Wilstrop [Hall] | 0 |