Actor Jimmy Stewart was living in Indiana, Pennsylvania in 1930 with his family as partially shown in the image included in this post. The 21 year old is listed without an occupation and his father runs a hardware store.
You can search of the 1930 census at Ancestry.com and see what your relatives are up to--hopefully they aren't living in a town that is also the name of a state (Illinois has a town named Oregon and one named Ohio) .If you don't have a subscription to Ancestry.com, you can read our suggestions for a 14 day free trial here.