Dallas County is located in Central Iowa. It is named for George M. Dallas, Vice President under James K Polk.
The seat is Adel while the largest city is Waukee. It is a part of the Des Moines Metropolitan Area.
Dallas County borders Boone, Polk, Madison, Guthrie and Greene Counties.
Main highways through the county include I-80, US-6, US-169, IA-17, IA-44, IA-141 and IA-210.
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