Idaho has 44 counties. The largest is Ada County (497,494 people) and the smallest is Clark County (756). Median home values run from $195K in Butte County to $1.1M in Blaine County (Zillow ZHVI 2024). Effective property tax rates range from 0.34% in Custer County to 0.88% in Power County (Tax Foundation 2023). Median household income is highest in Teton County ($89K) and lowest in Butte County ($37K) (Census ACS 2022). Pick a county below for its full profile, or open the county map to filter by your own ranges.
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