The ACLU of Iowa compiles the voting records of Iowa legislators on key civil liberties issues for each Iowa Legislative General Assembly, which lasts two years.  

2017-2018 Legislative Report and Civil Liberties Scorecard

2015-2016 Legislative Report and Civil Liberties Scorecard

2013-2014 Legislative Report and Civil Liberties Scorecard

2011-2012 Iowa General Assembly Civil Liberties Voting Record