3,956,125 Iowans have been tested for the coronavirus to this point. 359,516 have tested positive. 5,336 of those have now died. The active case totals across the listening area exploded over the weekend, here are the approximate active case totals for local counties: Bremer County has 251. Butler County has 132. Floyd County has 199. Chickasaw County has 99. Fayette County has 167. Buchanan County has 201. Black Hawk County has 1,970.