Polk County supervisors approved ... the new map, too, despite a directive from Iowa Secretary of State ... the first map was largely due to about 90% of cities in the county ...

In Polk, the new map includes much of the west side of Des Moines and West Des Moines in District 1; most of Urbandale, Johnston, Grimes, Polk City, Alleman and Sheldahl in District 2; Bondurant ...