 As part of Ohio's 5th congressional district and Ohio's 15th congressional district it had been represented by Republicans for almost seventy years until the 2008 election, when Democrat Mary Jo Kilroy, won a close, disputed contest against Steve Stivers.In 2010 Stivers defeated her in a rematch, and after reapportionment and redistricting, the county was placed in the heavily Republican 4th district, currently represented by Jim Jordan.The entire county is contained in the 26th Ohio Senate district and is currently represented by Dave Burke, who previously served on Marysville City Council and as the state Representative for the 83rd Ohio House district.