Putnam and Hendricks counties have changed their county income tax rates. These changes take effect on Oct. 1, 2015. Putnam County has raised the resident rate .015 to .0175. The nonresident rate is unchanged. Hendricks County has increased the resident rate from .014 to .015. The nonresident rate is unchanged.Local income tax rates are established or adjusted by county officials and reported to the Indiana Department of Revenue, where they are cross-referenced to ensure they are supported by Indiana law.