Research by the housing management company Sheffield Homes into the effect of the credit crunch on residents at its 42,000 properties in reported on the Sheffield Star's website.
An extract says: "Some 91% of social rented tenants have no insurance cover and 81% have no savings.
"The impact of this is that a lack of insurance and savings makes families vulnerable to financial crises following unexpected events such as burglary or flooding. A lack of savings can lead to poverty in old age."
The company has urged estate residents to take advantage of its low-cost insurance scheme.
The website says homes were devastated last year on the Winn Gardens estate in Middlewood - many tenants lost everything and had no money to replace contents.