When U.S census results are tallied each decade, it traditionally has been the task of state lawmakers and governors to redraw voting districts for seats in the U.S. House and state legislatures. But a growing number of states have shifted that job to special commissions or made other changes that are intended to reduce the potential for partisan gerrymandering. The goal is to make the partisan composition of a state’s congressional delegation or legislature reflect as closely as possible the sentiment of the voters.