10 Counties with the Lowest Property Tax Rates in Idaho
If you are comparing property taxes across Idaho, these 10 counties have the lowest effective rates in the state. The lowest-rate county, Clark County, comes in at 0.29% — 0.24% lower than the Idaho average (0.53%). The statewide effective rate is 0.53%.
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| # | County | Effective Rate | Median Tax | Median Home Value |
|---|---|---|---|---|
| 1 | Clark County | 0.29% | $592 | $203,000 |
| 2 | Valley County | 0.30% | $1,778 | $599,500 |
| 3 | Custer County | 0.31% | $903 | $295,600 |
| 4 | Idaho County | 0.34% | $974 | $284,600 |
| 5 | Teton County | 0.35% | $2,065 | $595,900 |
| 6 | Boise County | 0.37% | $1,571 | $424,100 |
| 7 | Blaine County | 0.39% | $2,563 | $663,800 |
| 8 | Gem County | 0.39% | $1,443 | $367,300 |
| 9 | Lemhi County | 0.39% | $1,109 | $282,100 |
| 10 | Bonner County | 0.40% | $1,716 | $433,400 |
How this ranking is calculated
The effective property tax rate is the median annual property tax paid divided by the median home value in each county, expressed as a percentage. It is the most practical way to compare property tax burden between counties because it neutralizes differences in home values.
Counties with the lowest rates in Idaho often share a few characteristics: higher home values that compress the percentage even when dollar taxes are high.
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