In the FL 13th Congressional District 2002 and 2004 races, Republicans accounted for 48% and 46% of FL District 13 voters, respectively. Katherine Harris won each election with 55% of the vote.
I don't have Presidential election results by Congressional District. In 2004, Bush/Harris won Sarasota, Manatee, and Hardee counties by 54%/53%, 56%/56%, and 70%/70%, respectively. DeSoto Co. data not available.