2011 Census boundaries, spatial data and lookups


ONS have now published the 2011 Census boundaries for Output Areas (OAs), Lower layer Super OAs and Middle layer Super OAs.

2011 Census boundary files (.shp) for OAs, LSOAs and MSOAs may be downloaded from here.

2001 Census boundary files (.shp) for OAs, LSOAs and MSOAs may be downloaded from here.

2001 to 2011 Census geography OAs, LSOAs and MSOAs lookup files from here.

2011 OA to higher area lookup files from here.

Postcodes to OAs, LSOAs and  MSOAs from here.

2011 Census median population weighted centroid files (.shp) for OA, LSOA and MSOAs datasets from here .

2.6 per cent of 2001 OAs have changed as a result of the 2011 Census, 1.1 per cent of LSOA and 0.1 per cent of MSOAs. The average population in an OA has increased, from 297 in 2001 to 309 in 2011.

Beyond 2011 LA Data Workshop


The Beyond 2011 team at ONS are running a special event for Local Authority data users to help understanding how small area data is used across local government – helping them build the case for this type of data. The workshop will focus specifically on local authority users and is in addition to the public roadshows being held in November.

The event runs from 10:00 to 15:30 on 5th Birmingham and will include an update on ONS’ current thinking. Contact the team to book your place.

2nd Address Estimates & Ward/Output Area data


Monday saw ONS release Census data relating to people with second addresses for local authorities in England & Wales. The data included the number of usual residents who reported having a 2nd address (i.e. spent more than 30 days a year at another address) outside of the LA they were usually resident. Figures are broken down three address types (Working, Holiday, Other), sex and broad age groups.

The data and a report is available from the ONS website; a data visualisation was also produced by the BBC.

ONS also announced population and household estimates for ward and output area geographies will be available on 23 November 2012. Specific details are not yet available but it is expected that these will be similar in content to the First release tables released in September and are ahead of the planned 2nd release Key Statistics & Quick Statistics tables coming from November.

2011 Census Geography data to be released on 30 October


Today ONS announced the 2011 Census Geography products will be published on 30th October 2012 and available under an Open Government Licence. The data will be published ahead of the 2nd release Census datasets and is the first time users can explore the new Census boundaries.

Products will be downloadable and/or supplied on hard media from ONS Geography and will include:

  • 2011 Output Area (OA), Lower/Middle Layer Super Output Area (L/MSOA) boundaries (shapefile, KML formats)
  • 2011 OA/LSOA/MSOA population weighted centroids (shapefile, KML formats)
  • 2011 OA to higher area lookups (inc. wards, parishes, counties) (text, csv formats)
  • 2001 to 2011 OA/SOA and workplace zone lookup files (text, csv formats)

Further products are expected to be released in January 2013.

To assist users, SASPAC will be recreating 2001 Census data for the 2011 Census geography and making these datasets available to download via our website.

‘Beyond 2011’ Autumn Seminars


ONS have announced three seminars as part of the Beyond 2011 programme, these are planned for:

(*extension to the Welsh Government’s Beyond 2011 External Advisory Group meeting)

ONS expect the events will cover developments in the Programme, including investigations into the options, research progress and how they are taking forward the business case and quantification of benefits. There will be the opportunity to participate in group work and a panel session in the afternoon. Contact the Beyond 2011 team to reserve your place.