The State Historical Society of Iowa has uploaded another installment of their new State Archives death records database. It is part of an ongoing indexing project of selected state-level death records that previously were not available on County Records microfilm. They can now be accessed at the SHSI website:

https://history.iowa.gov/history/research/collections/vital-records
Select Records Archives Index, found at the bottom of the page
Choose a county, then click on View PDF