Chief JAMES MCCARDLE (Head, Cook County Eviction Unit): If there's nobody home, we post a notice, OK, because we don't know if somebody is renting it or not.
Len Cook, head of the office that does the census, says that estimates of a 250, 000 yearly net outflow were more than 50, 000 short over the past decade, added to which the 1991 census overcounted by more than 300, 000.