Shillington is a borough in Berks County, Pennsylvania, United States. The population was 5,059 at the 2000 census. It is the place where author John Updike lived until he was 13, and it is the basis for the town of Olinger that he writes about in his fiction. Shillington apartments for rent comparison page shows most up to date rent information on Shillington apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.