NISRA Open Data Boundaries - Census Output Areas 2001

The NISRA boundaries is a polygon dataset consisting of Output Areas set for the 2001 Census.The data has been extracted from NISRA database. This service is published for OpenData.

Data and Resources

Additional Info

Field Value
Creation Date February 8, 2016, 12:17 (Etc/UTC)
Topic Category
  • Boundaries
  • Imagery / Base Maps / Earth Cover
  • Location
Lineage There are 5,022 Output areas, which nest with 582 Electoral Wards (1992)
Frequency of Update Not Planned
Contact Name Jos IJpelaar
Contact Email jos.ijpelaar@dfpni.gov.uk
Additional Information Output Areas (OAs) were introduced in Northern Ireland after the 2001 Census. Output Areas were built from clusters of adjacent postcodes. Output Areas themselves nest within the 582 Electoral Wards in Northern Ireland and were designed to have similar population sizes of around 125 households and 350 people, they are also as socially similar as possible. Output Areas in Northern Ireland are based on postcodes as of January 2000. There are 5022 OAs in Northern Ireland. See also https://www.nisra.gov.uk/support/geography/northern-ireland-output-areas
Visibility False
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