More than 5 percent of all the houses in this metropolitan area were built during 1974, 1975 and 1976 -- while the area and national new housing markets were going through a severe depression.

Federal statistics recently released for the metropolitan area disclosed that 58,600 housing units of the current total of 1.1 million were built in that three-year period. Area building peaked in the early 1970s and then again the latter part of the decade. In those years the annual area housing production averaged over 25,000 new dwellings.

A report from the census bureau of the Department of Commerce and from the Department of Housing and Urban Development also showed that the median price of an owner-occupied home rose more than 24 percent, from $49,200 to $61,200 during that three-year period. Meanwhile, the median monthly gross rent (including utility payments) increased 23 percent from $189 to $233.

The report also showed that the median annual income of homeowners increased 26 percent, from $21,760 to $27,300, while the median annual income of renters increased 14 percent, from $11,100 to $12,600 in that period.

The 1977 survey disclosed that 22 percent of all household had moved during the previous year. Heavy traffic and street noise were named by 40 percent of the central city households as reasons for moving while the same figure was 31 percent in suburban areas.

Also, 72 percent of the occupied houses were located in structures with a basement and the survey showed signs of water leakage in 19 percent of the basements.