 The median value of a housing unit in the US was $167,500 in 2005 with the median mortgage payment being clocked at $1,295.The average size of a household was 2.5 persons with almost all housing units, 97%, having 1 or fewer occupants per room.However, the term "room" does not exclusively refer to bedrooms, but includes the kitchen, dining room, family room, bath rooms and any other rooms a house might have.