A Middle Layer Super Output Area is a GEOGRAPHIC AREA.

Middle Layer Super Output Areas are a geographic hierarchy designed to improve the reporting of small area statistics in England and Wales.

Middle Layer Super Output Areas are built from groups of contiguous Lower Layer Super Output Areas. The minimum population is 5000 and the mean is 7200.

The Organisation Data Service publish files created on their behalf by the Office for National Statistics, which link POSTCODES to the Middle Layer Super Output Area.

See the Organisation Data Service website at Contact Details for the NHS Postcode Directory Gridlink ® Record Specification and data file. 

See the Office for National Statistics website at http://www.statistics.gov.uk/geography/soa.asp for further information on Super Output Area geography.

 

This supporting information is also known by these names:

Context	Alias
plural	Middle Layer Super Output Areas