Iowa State Route 27 is a north-south highway in the southwest corner of Chickasaw County. IA St Rt 27 does not pass through any towns in Chickasaw County. IA St Rt 27 is multi-plexed in Chickasaw County. U.S. Rt. 218, through Chickasaw County.
IA St Rt 27 intersects the following highway in Chickasaw County. Iowa State Route 346, near Nashua.
