I have been playing just a little with 1950 Census Substitute at Ancestry.com.
This image comes from the 1947 directory for Rock Island, Illinonis and shows my wife's grandparents, Wilbur and Grace Johnson living at 1011 14th Street in Rock Island. They owned the house and Wilbur was employed at Servus Rubber.
This one is a little more helpful than some of the others as the spouses are listed.