Dacorum
§ This page gives an overview of the Dacorum local authority district, bringing together key facts, maps, and data to help you quickly understand the area. This is one of 361 LAD profiles on Baseview.
Overview ⁞ Dacorum in west Hertfordshire spans from the Chiltern Hills to the edge of the London commuter belt. Hemel Hempstead, the largest town, is a New Town with a modern centre and surrounding neighbourhoods. Berkhamsted, with its Norman castle and historic high street, and Tring, known for its natural history museum, add historic and cultural interest. The Grand Union Canal runs through the district, linking its towns and villages, while the Chiltern Hills provide scenic countryside, walking trails, and woodlands. The blend of modern towns, historic centres, and rolling hills defines Dacorum’s varied landscape.
Dacorum Boundary Map
This map shows the official boundary of the Dacorum local authority district, based on the latest geographic data published by the Office for National Statistics (ONS). It provides a clear view of the district’s extent and helps you understand how the area fits within the wider regional and national landscape.
Contains OS data © Crown copyright and database right 2025. Source: Office for National Statistics licensed under the Open Government Licence v3.0.
The administrative boundary of Dacorum can also be viewed on OpenStreetMap: District Boundary of Dacorum.
Key Facts about Dacorum
What region is Dacorum in? Dacorum is in the East of England of England, a region within the UK.
What county is Dacorum in? Dacorum is located in the county of Hertfordshire.
Is Dacorum a city? No, Dacorum is not a city. (Note: the UK has 76 officially designated cities.)
Who governs Dacorum? The local authority for this district is: Dacorum Borough Council - responsible for district-level services. Since Hertfordshire is a two-tier area, county-level services are handled by: Hertfordshire County Council.
▶ Official website of Dacorum Borough Council 🔗 dacorum.gov.uk
Which police force covers Dacorum? Policing in Dacorum is provided by Hertfordshire Constabulary 🔗 herts.police.uk, which serves 10 local authority districts: Broxbourne ⁞ Dacorum ⁞ East Hertfordshire ⁞ Hertsmere ⁞ North Hertfordshire ⁞ St Albans ⁞ Stevenage ⁞ Three Rivers ⁞ Watford ⁞ Welwyn Hatfield.
Constituencies in Dacorum
Dacorum is divided into 3 parliamentary constituencies, listed below in alphabetical order.
A constituency is a specific geographical area that elects one Member of Parliament (MP) to represent them in the House of Commons. The United Kingdom is divided into 650 parliamentary constituencies. We have this list page for easy browsing of all UK parliamentary constituencies: List of Constituencies.
Wards in Dacorum
Dacorum is divided into 25 wards, listed below in alphabetical order.
- Adeyfield East
- Adeyfield West
- Aldbury and Wigginton
- Apsley and Corner Hall
- Ashridge
- Bennetts End
- Berkhamsted Castle
- Berkhamsted East
- Berkhamsted West
- Bovingdon, Flaunden and Chipperfield
- Boxmoor
- Chaulden and Warners End
- Gadebridge
- Grovehill
- Hemel Hempstead Town
- Highfield
- Kings Langley
- Leverstock Green
- Nash Mills
- Northchurch
- Tring Central
- Tring East
- Tring West and Rural
- Watling
- Woodhall Farm
In the UK, a ward is a subdivision of a local authority area, used mainly for electoral and statistical purposes. Defined by the ONS, wards represent the primary unit for local elections, each returning one or more councillors to the local council. Wards are also used as a key geography for presenting population and census data. We have this list page for easy browsing of all electoral wards: List of all Electoral Wards in the UK.
Parishes in Dacorum
Dacorum is part-parished: 16 civil parishes (listed A-Z below) alongside 2 unparished areas.
- Aldbury
- Berkhamsted
- Bovingdon
- Chipperfield
- Flamstead
- Flaunden
- Great Gaddesden
- Kings Langley
- Little Gaddesden
- Markyate
- Nash Mills
- Nettleden with Potten End
- Northchurch
- Tring
- Tring Rural
- Wigginton
A civil parish is the lowest tier of local government in England, used for villages, small towns, and suburbs. They have their own local authority, either a parish council or a parish meeting, which provides local services like managing parks, allotments, and streetlights, and represents the community's views to larger councils.
We have this list page for easy browsing of all parishes: List of Civil Parishes in England and Wales.
Post Towns in Dacorum
Below is a list of post towns in Dacorum, grouped by postcode area:
- HP ▸ Berkhamsted (HP4) ⁞ Hemel Hempstead (HP1 / HP2 / HP3) ⁞ Tring (HP23)
The UK postal hierarchy begins with broad postcode areas (such as “CB” or “M”), which are divided into smaller postcode districts (such as “CB8” or “M1”) to support accurate mail routing. Each postal address is anchored by a designated post town, the official locality name used in the UK postcode system, which operates independently from Local Authority Districts —the administrative boundaries used for council tax and local government services. Because they serve different purposes, a property’s postal address and its local authority district do not always align exactly.
Built-up Areas in Dacorum
Dacorum covers 19 built-up areas, listed below in alphabetical order.
- Abbots Langley and Kings Langley *
- Aldbury
- Berkhamsted
- Bovingdon
- Chipperfield *
- Cholesbury *
- Commonwood *
- Flamstead
- Friar's Wash *
- Hemel Hempstead *
- Hogpits Bottom
- Little Gaddesden *
- Markyate
- Potten End
- Rucklers Lane
- Slip End *
- Tring
- Wigginton (Dacorum)
- Wilstone
In the UK, a Built-up Area (BUA) is a continuous urban area of at least 20 hectares (0.2 km²), defined by the ONS as land where buildings are generally no more than 200 metres apart, such as towns, cities, or large villages. (Note: A BUA name marked with an asterisk (*) indicates that the area is situated partly in the district of Dacorum.)
We have this list page for easy browsing of all built-up areas: List of all Built-up Areas in GB.
Railway Stations in Dacorum
Dacorum is served by a number of National Rail stations, providing rail connections to nearby towns, cities, and destinations across Great Britain. The railway stations listed below are located within the Dacorum Local Authority District and are grouped by train operating company for clarity.
- West Midlands Trains (London Northwestern Railway) ▸ Hemel Hempstead (HP3 9BQ) ⁞ Berkhamsted (HP4 2AR) ⁞ Tring (HP23 5QR) ⁞ Apsley (HP3 9SX)
This is a district-level view only. For a complete list of all National Rail stations across Great Britain, see the UK National Rail Stations Directory.
Dacorum compared with other districts in the UK
This section shows how Dacorum compares with other local authority districts in the UK, using a variety of measures and rankings.
Dacorum has 25 electoral wards.
Dacorum has a population of 161,420 (2024 mid-year estimate by ONS)
Population and Migration Trends in Dacorum
This chart shows the population trend for Dacorum from 2015 to 2024. It provides a quick overview of whether the local authority is growing, stable, or declining over time, and helps set context for the migration patterns shown below.
Population change is influenced by natural change (births minus deaths) and migration. The net migration chart below focuses on migration, separating internal migration (moves within the UK) from international migration (moves to and from abroad). Positive values indicate net inflows, while negative values indicate net outflows. The rate labels (per 1,000 residents) help compare migration intensity across years, even when the population size changes.
More local statistics and data for Dacorum can be found on the ONS statistics for Dacorum.