About SG Postcodes
The SG postcode area contains 19 postcode districts and covers Hitchin, Stevenage, Ware, Hertford and other areas. The total population across all districts is approximately 402,479.
Postcode Districts 19
SG1
1,240 postcodes
51,333 pop.
SG10
109 postcodes
2,089 pop.
SG11
377 postcodes
8,088 pop.
SG12
943 postcodes
29,711 pop.
SG13
526 postcodes
16,263 pop.
SG14
614 postcodes
19,110 pop.
SG15
117 postcodes
5,584 pop.
SG16
190 postcodes
6,091 pop.
SG17
402 postcodes
12,320 pop.
SG18
759 postcodes
23,938 pop.
SG19
687 postcodes
24,199 pop.
SG2
830 postcodes
42,070 pop.
SG3
203 postcodes
7,127 pop.
SG4
889 postcodes
28,916 pop.
SG5
948 postcodes
31,350 pop.
SG6
983 postcodes
33,250 pop.
SG7
439 postcodes
13,333 pop.
SG8
1,294 postcodes
38,197 pop.
SG9
510 postcodes
9,510 pop.
Post Towns in SG Area
Hitchin
Stevenage
Ware
Hertford
Much Hadham
Arlesey
Henlow
Shefford
Biggleswade
Sandy
Knebworth
Letchworth Garden City
Baldock
Royston
Buntingford



