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
1,378,888
Population
England
Country

Postcode districts in Hertfordshire

DistrictPost townPostcodesPopulation
SG8 Royston 1,294 39,968
WD3 Rickmansworth 1,269 43,576
SG1 Stevenage 1,240 57,607
AL1 St. Albans 1,214 40,774
CM23 Bishop's Stortford 1,105 42,862
WD6 Borehamwood 1,093 41,417
EN5 Barnet 1,066 39,536
AL5 Harpenden 1,058 30,579
LU2 Luton 1,001 58,329
SG6 Hitchin, Letchworth Garden City 983 34,324
HP2 Hemel Hempstead 962 43,215
AL3 St. Albans 952 28,582
SG5 Hitchin 948 35,550
SG12 Ware 943 34,207
EN8 Waltham Cross 934 38,731
AL7 Welwyn, Welwyn Garden City 917 36,837
SG4 Hitchin 889 29,241
EN6 Potters Bar 874 30,941
SG2 Stevenage 830 43,039
AL4 St. Albans 785 28,218
AL10 Hatfield 779 38,151
WD23 Bushey 777 26,871
HP3 Hemel Hempstead 756 35,820
HP4 Berkhamsted 745 24,312
HA6 Northwood 730 24,230
AL2 St. Albans 725 24,457
WD18 Kings Langley, Watford 716 28,019
WD19 Watford 681 29,570
WD25 Watford 674 33,103
HP1 Hemel Hempstead 667 24,057
EN11 Broxbourne, Hoddesdon 650 22,585
CM20 Harlow 642 22,460
SG14 Hertford 614 17,731
HP23 Tring 572 17,966
WD17 Watford 570 20,148
WD24 Watford 532 23,542
SG13 Hertford 526 20,491
SG9 Buntingford 510 13,016
AL6 Welwyn 508 11,478
EN7 Waltham Cross 502 22,728
SG7 Baldock 439 13,445
WD7 Radlett 434 12,509
AL9 Hatfield 427 12,064
EN10 Broxbourne 426 18,147
AL8 Welwyn Garden City 425 14,450
SG11 Ware 377 8,537
WD4 Kings Langley 371 11,679
CM21 Sawbridgeworth 315 12,333
WD5 Abbots Langley 262 10,805
SG3 Knebworth 203 4,971
SG10 Much Hadham 109 1,680

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 1,378,888.