| SG1 |
Stevenage |
North Stevenage |
1,241 |
| SG2 |
Stevenage |
South Stevenage, Walkern, Ardeley |
835 |
| SG3 |
Knebworth |
Knebworth, Woolmer Green, Datchworth |
204 |
| SG4 |
Hitchin |
Breachwood Green, Kimpton, King's Walden, Graveley, Little Wymondley, Great Wymondley |
896 |
| SG5 |
Hitchin |
Apsley End, Higham Gobion, Offley, Little Offley, Pegsdon, Stotfold, Shillington, Pirton |
949 |
| SG6 |
Hitchin, Letchworth Garden City |
Letchworth |
981 |
| SG7 |
Baldock |
Baldock |
440 |
| SG8 |
Royston |
Royston |
1,295 |
| SG9 |
Buntingford |
Buntingford, Westmill |
514 |
| SG10 |
Much Hadham |
Much Hadham |
108 |
| SG11 |
Ware |
Albury, Braughing, Bury Green, Colliers End, Haultwick, High Cross, Little Hadham, Nasty, Patmore Heath, Puckeridge, Standon, Standon Green End |
377 |
| SG12 |
Ware |
Ware |
941 |
| SG13 |
Hertford |
Hertford, Newgate Street Village, Bayford, Brickendon |
538 |
| SG14 |
Hertford |
Hertford |
618 |
| SG15 |
Arlesey |
Arlesey |
117 |
| SG16 |
Henlow |
Henlow, Henlow Camp, Lower Stondon, Upper Stondon |
195 |
| SG17 |
Shefford |
Shefford |
401 |
| SG18 |
Biggleswade |
Biggleswade, Budna, Hatch, Langford, Lower Caldecote, Northill, Upper Caldecote |
762 |
| SG19 |
Sandy |
Potton, Sandy |
681 |
