How many people in Holywell are under 16? What proportion of Cassiobury residents own their home?
Test your local knowledge with this quiz from the Office of National Statistics.
Statistics can give a rich and surprising view of the everyday world around us.
Enter your postcode to find out how well you know your local area based on information from the 2011 Census.
Details and quiz supplied by the ONS.
Try the quiz now and leave your score in the comments.