The most common types of second address were another parent or guardian’s address (used by 58,000 people, 36.0% of those who used a second address) and students’ home addresses (37,000, 23.2%).
Roedd dros hanner (52%) o’r holl gartrefi a brynwyd yn rhai tair ystafell wely ac roedd 47% ar gyfer aelwydydd 2 oedolyn a 2 blentyn.