Karen Kinney - County Clerk[email protected]Rock Island County Office Building (map )First Floor - 1504 Third Avenue, Rock Island IL, 61201-8624Elections/Voter Registration: (309) 558-3571 Back Taxes: (309) 558-3572 Vital Records: (309) 558-3569 Fax: (309) 786-7381 Hours: 8:00 AM to 4:30 PM - Monday thru Friday