Ohio's 16th senatorial district has always consisted of portions of the greater Columbus, Ohio area, and is now made up of the western portion of Franklin County. It encompasses Ohio House districts 21, 23 and 24. It has a Cook PVI of R+6. Its current Ohio Senator is Republican Stephanie Kunze, who is not eligible to seek re-election due to term limits. She resides in Hilliard, a city located in Franklin County.