Census Merged Wards: Generalised Clipped Boundaries for England and Wales, 2011

December 2011 digital vector boundaries for Census Merged Wards in England and Wales, created by the Office for National Statistics. The dataset contains three boundary resolutions: full extent, generalised (20m), and super generalised (200m), all clipped to the coastline. It includes intellectual property from both Ordnance Survey and ONS.

Use Cases

• Create thematic maps of census data based on ward boundaries.
• Perform spatial joins of demographic statistics based on the provided vector geometry.
• Analyze regional administrative structures in England and Wales based on the 2011 ward definitions.
• Generate simplified boundary files for web mapping based on the generalised (20m) or super generalised (200m) versions.

Strengths

• Contains three resolution levels with specific file sizes: full (93 MB), generalised 20m (10 MB), and super generalised 200m (3 MB).
• Provides direct REST API access via ArcGIS services for programmatic use.
• Explicitly states the temporal reference date of 31 December 2011.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Time Range

As at 31 December 2011

Freshness

Last updated 2026-07-08 13:33:27.147005; freshness should be verified.

Geography

England and Wales