The 2011 Census recorded a higher number of dwellings than the dwelling stock estimates rolled forward from the 2001 Census for 31 March 2011 by more than 34,000 dwellings.
Cofnododd Cyfrifiad 2011 nifer uwch o anheddau na’r amcangyfrifon stoc anheddau a roliwyd ymlaen o Gyfrifiad 2001 ar gyfer 31 Mawrth 2011 fesul mwy na 34,000 o anheddau.