Johnson County, IA
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Johnson County Map
The County of Johnson is located in the State of Iowa. Find directions to Johnson County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Johnson County population is estimated at 153,740 people. The Johnson County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Benton County, Cedar County, Iowa County, Linn County, Louisa County, Muscatine County, Washington County.
Top cities include Iowa City, Coralville, North Liberty, Solon, Tiffin