Idaho's average effective property tax rate is about 0.5%-0.72% of home value depending on methodology (Tax Foundation pegs the owner-occupied effective rate at approximately 0.50%, ranking Idaho 45th in the U.S. and roughly 45-47% below the approximately 0.99% national average; other calculators using assessed-value methodology cite a statewide average closer to 0.69%-0.72%). Either way, Idaho is consistently one of the lower property-tax states in the country. Rates vary significantly by county: urban/growth counties like Ada (Boise) tend to show lower effective rates because high home values dilute the levy, while some rural counties show higher effective rates on lower-valued homes.
Example: For a median-valued Idaho home (approximately $376,000), the typical annual property tax bill is roughly $1,900 to $2,000 (one current estimate: about $2,006/year; a separate current estimate from SmartAsset puts the typical Idaho homeowner's bill around $1,912/year). Bills vary widely by county, from about $540/year in Clark County to over $2,900/year in Latah County. Older Census-based figures citing a roughly $1,188 median tax on a $171,700 median home are now well out of date given Idaho's rapid home-price growth in recent years.
Figures vary noticeably by source because of differing methodology (assessed value vs. market value, whether the state's 50 percent/$125,000 homeowner's exemption is netted out before calculating the effective rate, and how recently home values were updated). For the most accurate number on a specific property, use the county assessor's office (for example, the Ada County Assessor) or the Idaho State Tax Commission's official property tax tools rather than relying on a single national aggregator site. Idaho's legislature has periodically adjusted the homeowner's exemption cap and circuit-breaker benefit amounts, so always confirm current-year figures directly at tax.idaho.gov before advising a specific taxpayer.
Facts on this page reflect research current as of 2026-07-05. Programs, rates, and laws change — confirm current figures with the relevant state agency before relying on them.