County Boundaries for England and Wales as of 1991

Digital vector boundaries for the Counties in England and Wales as at 1991. The dataset contains both Ordnance Survey and Office for National Statistics intellectual property rights. It was last updated on the platform in July 2026.

Use Cases

• Map historical county-level administrative units based on the 1991 boundaries.
• Conduct spatial joins for demographic or economic data from 1991 based on the described boundaries.
• Analyze changes in county boundaries over time by comparing with other vintages based on the 1991 snapshot.

Strengths

• Specific temporal snapshot for boundaries (1991).
• Contains intellectual property from authoritative sources (Ordnance Survey and ONS).
• Available in multiple geospatial formats (GEOJSON, KML, GPKG, ArcGIS services).

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Freshness should be verified as the last platform update is dated 2026-07-16.

Provenance

Source

Office for National Statistics

Time Range

1991

Freshness

Last updated 2026-07-16 08:01:18.397593

Geography

England and Wales