News Super Tuesday boost for Dems: South Carolina primary turnout shatters 2016 level, tops 2008 March 2, 2020 William Cummings and Rebecca Morin, USA TODAY Comments Off on Super Tuesday boost for Dems: South Carolina primary turnout shatters 2016 level, tops 2008 Democrats who were concerned that relatively low voter turnout in the Iowa caucuses meant voters were not fired up can take heart in the S.C. primary.