There were 34 places in the hundred of Broadwater in Domesday Book.
| Name | Households |
|---|---|
| Weston | 75 |
| [Great and Little] Wymondley | 58 |
| Hatfield | 55 |
| [Great and Little] Munden | 42 |
| Welwyn | 42 |
| Bennington | 40 |
| Digswell | 37 |
| Ayot [St Lawrence] | 36 |
| Watton | 35 |
| Knebworth | 33 |
| Walkern | 33 |
| Stevenage | 28 |
| Aston | 27 |
| Graveley | 27 |
| Sacombe | 26 |
| Norton | 22 |
| Minsden | 17 |
| Datchworth | 16 |
| Letchworth | 15 |
| Willian | 15 |
| Boxbury | 14 |
| Shephall | 14 |
| Codicote | 12 |
| Oxwick | 12 |
| Libury | 11 |
| Ayot [St Peter] | 10 |
| Mardleybury | 9 |
| Woolwicks | 9 |
| Langley | 7 |
| Chells | 4 |
| Almshoe [Bury] and [Little] Almshoe | 3 |
| Tewin | 2 |
| Rodhanger | 1 |
| Chesfield | 0 |