UK Westminster Parliamentary Constituencies: Names and Codes as of December 2016

Office for National Statistics provides names and codes for Westminster parliamentary constituencies in the United Kingdom as at 31 December 2016. The data was last updated in September 2017 to correct a reported formatting issue. The dataset is available in multiple formats including CSV and GeoJSON.

Use Cases

• Mapping electoral boundaries based on the constituency names and codes.
• Joining constituency-level data from other sources using the provided codes.
• Analyzing the administrative geography of the UK Parliament as of a specific date.

Strengths

• Data is provided by the authoritative Office for National Statistics.
• A specific snapshot date (31 December 2016) is clearly stated.
• Available in multiple formats, including the geospatial GeoJSON format.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last updated 2026-07-08 13:30:37.809372; freshness should be verified.

Provenance

Source

Office for National Statistics

Time Range

Snapshot as of 31 December 2016

Freshness

Data snapshot is from 2016; metadata was last updated in 2026.

Geography

United Kingdom