Ohio's 19th senatorial district is based in north-central Ohio, and currently consists of Delaware and Knox counties as well as a portion of Franklin county. It encompasses Ohio House districts 22, 67 and 68. It has a Cook PVI of R+6. The district was represented by the Senate President from 2005 to 2010 with Senator Bill Harris. Its current Ohio Senator is Republican Andrew Brenner. He resides in Powell, a city located in Delaware County.