Most of the pins were in wealthier suburbs such as Llandaff and Whitchurch, with very few in more deprived areas such as Ely and Tremorfa.
Roedd y rhan fwyaf o’r pinnau mewn maestrefi cyfoethocach fel Llandaf a’r Eglwys Newydd, gydag ychydig iawn ohonynt mewn ardaloedd mwy difreintiedig fel Trelái a Thremorfa.