Hertfordshire Postcodes County

Hertfordshire is a county in the East of England, located immediately to the north of London and shaped by both its rural past and modern connections. The landscape includes rolling countryside, farmland and woodland, alongside towns that have expanded through transport links and commuting. Despite its proximity to the capital, much of the county retains a settled and well established feel.

The county includes towns such as St Albans, Watford, Hemel Hempstead, Stevenage and Hitchin, each with its own character and history. St Albans is noted for its historic centre and Roman roots, while Stevenage developed as one of the UK’s first new towns. Across Hertfordshire, communities balance local employment, commuting and strong residential identities.

Hertfordshire benefits from a network of rivers, parks and green spaces that support walking, cycling and outdoor leisure. Market towns, villages and countryside remain an important part of daily life, even within more built up areas. Overall, Hertfordshire offers a calm blend of historic settlement, accessible countryside and practical modern living, giving it a steady and enduring place within southern England.

37,021
Postcodes
51
Districts
1,287,308
Population
England
Country

Postcode districts in Hertfordshire

DistrictPost townPostcodesPopulation
SG8 Royston 1,294 38,197
WD3 Rickmansworth 1,269 40,833
SG1 Stevenage 1,240 51,333
AL1 St. Albans 1,214 36,291
CM23 Bishop's Stortford 1,105 40,376
WD6 Borehamwood 1,093 37,673
EN5 Barnet 1,066 37,724
AL5 Harpenden 1,058 30,486
LU2 Luton 1,001 56,481
SG6 Hitchin, Letchworth Garden City 983 33,250
HP2 Hemel Hempstead 962 38,478
AL3 St. Albans 952 28,025
SG5 Hitchin 948 31,350
SG12 Ware 943 29,711
EN8 Waltham Cross 934 35,807
AL7 Welwyn, Welwyn Garden City 917 33,974
SG4 Hitchin 889 28,916
EN6 Potters Bar 874 29,082
SG2 Stevenage 830 42,070
AL4 St. Albans 785 27,221
AL10 Hatfield 779 35,391
WD23 Bushey 777 25,347
HP3 Hemel Hempstead 756 31,930
HP4 Berkhamsted 745 23,922
HA6 Northwood 730 21,901
AL2 St. Albans 725 23,335
WD18 Kings Langley, Watford 716 24,344
WD19 Watford 681 27,538
WD25 Watford 674 27,711
HP1 Hemel Hempstead 667 24,603
EN11 Broxbourne, Hoddesdon 650 21,478
CM20 Harlow 642 21,241
SG14 Hertford 614 19,110
HP23 Tring 572 17,599
WD17 Watford 570 15,828
WD24 Watford 532 21,827
SG13 Hertford 526 16,263
SG9 Buntingford 510 9,510
AL6 Welwyn 508 11,181
EN7 Waltham Cross 502 21,884
SG7 Baldock 439 13,333
WD7 Radlett 434 12,637
AL9 Hatfield 427 10,641
EN10 Broxbourne 426 17,203
AL8 Welwyn Garden City 425 13,366
SG11 Ware 377 8,088
WD4 Kings Langley 371 11,247
CM21 Sawbridgeworth 315 10,865
WD5 Abbots Langley 262 11,491
SG3 Knebworth 203 7,127
SG10 Much Hadham 109 2,089

Frequently asked questions

How many postcodes are in Hertfordshire?

There are approximately 37,021 postcodes in Hertfordshire.

How many postcode districts are in Hertfordshire?

Hertfordshire contains 51 postcode districts.

What is the population of Hertfordshire?

The postcode districts in Hertfordshire have a combined population of about 1,287,308.