After every election Ipsos-MORI produce a table like the one above which becomes a great point of reference for the demographics of what happened.
The remarkable feature here is the over-65 group which, as predicted here. were the ones most likely to turn out and vote Tory.
Interestingly 2010 follows the pattern previous elections where the group least engaged are younger women. Look at the turnout gap compared with men in the same age group.
There’s also a big gender gap on voting with women less likely to have voted Tory and more likely to have voted Lib Dem