Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex. If you can contribute to the site, send me some details to Kevan, along with some description of the specific property.
| Town | Pubs | Pics | Text |
| Saffron Walden | 32 | 14 | 31 |
| St. Osyth | 10 | 5 | 10 |
| Salcott | 1 | 0 | 1 |
| Saling, Great | 3 | 2 | 3 |
| Saling, Little | 1 | 0 | 1 |
| Sampford, Great | 4 | 4 | 4 |
| Sampford, Little | 1 | 1 | 1 |
| Sandon | 1 | 1 | 1 |
| Sawbridgeworth | 1 | 1 | 1 |
| Sewardstone | 3 | 3 | 3 |
| Shalford | 2 | 1 | 2 |
| Sheering | 4 | 3 | 4 |
| Shelley | 1 | 0 | 1 |
| Shenfield | 6 | 5 | 6 |
| Shoeburyness | 4 | 3 | 3 |
| Sible Hedingham | 10 | 3 | 10 |
| Silver End | 2 | 1 | 2 |
| Silvertown | 5 | 1 | 5 |
| South Benfleet | 6 | 6 | 5 |
| Southchurch | 4 | 4 | 4 |
| Southend | 38 | 18 | 36 |
| South Fambridge | 1 | 1 | 1 |
| South Hanningfield | 1 | 1 | 1 |
| South Hornchurch | 4 | 3 | 4 |
| Southminster | 10 | 2 | 10 |
| South Ockendon | 6 | 3 | 5 |
| South Weald | 6 | 3 | 6 |
| Springfield | 13 | 10 | 13 |
| Squirrels Heath | 3 | 2 | 3 |
| Stambourne | 2 | 0 | 2 |
| Stambridge, Great | 2 | 2 | 2 |
| Stambridge, Little | 1 | 1 | 1 |
| Stanford-le-Hope | 5 | 4 | 4 |
| Stanford Rivers | 2 | 2 | 2 |
| Stansted Mountfichet | 14 | 5 | 14 |
| Stanway | 3 | 3 | 3 |
| Stapleford Abbots | 3 | 3 | 3 |
| Stapleford Tawney | 2 | 2 | 2 |
| Stebbing | 8 | 2 | 8 |
| Steeple | 5 | 2 | 5 |
| Steeple Bumpstead | 4 | 2 | 4 |
| Stifford | 1 | 1 | 1 |
| Stisted | 5 | 3 | 5 |
| Stock | 2 | 2 | 2 |
| Stondon Massey | 1 | 1 | 1 |
| Stow Maries | 2 | 1 | 2 |
| Stratford | 80 | 39 | 71 |
| Sturmer | 1 | 1 | 1 |