Idaho County Maps
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Canyon County, Idaho
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Canyon County, Idaho Map
An detailed map of Canyon County. Click on a nearby County to view more information about that County.
Map of Counties in Idaho
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About Canyon County, Idaho
Canyon County is located in the U.S. state of Idaho. As of the 2020 Census, the population was 231,105, which by 2022 was estimated to have risen to 251,065. making it the second-most populous county in Idaho. The county seat is Caldwell, and its largest city is Nampa. Canyon County is part of the Boise metropolitan area.
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