In 2002, there were an estimated 552,117 housing units within the state, 489,032 of which were occupied. About 74.6% of all units were owner-occupied, placing the state as 2nd in the nation in home ownership. About 69.5% of all units were single-family, detached homes; 13% were mobile homes. Most units relied on utility gas and electricity for heating. It was estimated that 12,600 units were without telephone service, 4,102 lacked complete plumbing facilities, and 4,900 lacked complete kitchen facilities. The average household size was 2.68 people.
In 2002, 13,488 privately owned housing units were authorized for construction. Median home value was at $115,744. The median monthly cost for mortgage owners was about $972 while renters paid a median of $529 per month. During fiscal year 2002, Idaho received nearly $18.5 million in community planning and development aid from the US Department of Housing and Urban Development.