1991 Census Enumeration District Boundaries for England and Wales

1991 digital vector boundaries for Enumeration Districts in England and Wales, as at 1981. The dataset was developed from the 1990s boundary set produced by the ED-line consortium and is provided by the Office for National Statistics. It contains both Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Historical demographic analysis based on 1991 census geography.
• Spatial joins of census data using the provided Enumeration District boundaries.
• Mapping and visualization of administrative units in England and Wales for the early 1990s.
• Resolving boundary inconsistencies in other available versions of 1991 ED data.

Strengths

• Boundaries are described as resolving long-standing issues with versions available elsewhere.
• Contains intellectual property rights from both Ordnance Survey and the Office for National Statistics.
• Available in multiple geospatial file formats including GEOJSON, KML, GPKG, and an ArcGIS REST API.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• 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

Collection Method

Developed from the 1990s boundary set produced by the ED-line consortium.

Time Range

1991 (boundaries as at 1981)

Freshness

Last updated 2026-07-16 08:01:22.282479; freshness should be verified.

Geography

England and Wales